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2014-01-29bnx2x: Fix generic option settingsYaniv Rosner1-40/+38
When user tried to change generic options using "ethtool -s" command, while SFP module is plugged out or during module detection, the command would have failed with "Unsupported port type" message. The fix is to ignore the port option in case it's same as the current port configuration. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-29net: Fix warning on make htmldocs caused by skbuff.cMasanari Iida1-1/+1
This patch fixed following Warning while executing "make htmldocs". Warning(/net/core/skbuff.c:2164): No description found for parameter 'from' Warning(/net/core/skbuff.c:2164): Excess function parameter 'source' description in 'skb_zerocopy' Replace "@source" with "@from" fixed the warning. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-29Merge tag 'rxrpc-20140126' of ↵David S. Miller2-1/+8
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== RxRPC fixes Here are some small AF_RXRPC fixes. (1) Fix a place where a spinlock is taken conditionally but is released unconditionally. (2) Fix a double-free that happens when cleaning up on a checksum error. (3) Fix handling of CHECKSUM_PARTIAL whilst delivering messages to userspace. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-29llc: remove noisy WARN from llc_mac_hdr_initDave Jones1-1/+1
Sending malformed llc packets triggers this spew, which seems excessive. WARNING: CPU: 1 PID: 6917 at net/llc/llc_output.c:46 llc_mac_hdr_init+0x85/0x90 [llc]() device type not supported: 0 CPU: 1 PID: 6917 Comm: trinity-c1 Not tainted 3.13.0+ #95 0000000000000009 00000000007e257d ffff88009232fbe8 ffffffffac737325 ffff88009232fc30 ffff88009232fc20 ffffffffac06d28d ffff88020e07f180 ffff88009232fec0 00000000000000c8 0000000000000000 ffff88009232fe70 Call Trace: [<ffffffffac737325>] dump_stack+0x4e/0x7a [<ffffffffac06d28d>] warn_slowpath_common+0x7d/0xa0 [<ffffffffac06d30c>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffc01736d5>] llc_mac_hdr_init+0x85/0x90 [llc] [<ffffffffc0173759>] llc_build_and_send_ui_pkt+0x79/0x90 [llc] [<ffffffffc057cdba>] llc_ui_sendmsg+0x23a/0x400 [llc2] [<ffffffffac605d8c>] sock_sendmsg+0x9c/0xe0 [<ffffffffac185a37>] ? might_fault+0x47/0x50 [<ffffffffac606321>] SYSC_sendto+0x121/0x1c0 [<ffffffffac011847>] ? syscall_trace_enter+0x207/0x270 [<ffffffffac6071ce>] SyS_sendto+0xe/0x10 [<ffffffffac74aaa4>] tracesys+0xdd/0xe2 Until 2009, this was a printk, when it was changed in bf9ae5386bc: "llc: use dev_hard_header". Let userland figure out what -EINVAL means by itself. Signed-off-by: Dave Jones <davej@fedoraproject.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-29Merge branch 'qlcnic'David S. Miller3-20/+19
Rajesh Borundia says: ==================== qlcnic: bug fixes The patch series contains following bug fixes o Bound checks for number of receive descriptors and number of recieve rings. Both of these have off-by-one errors. o Vlan list was getting re-initialized in case of adapter reset. o Tx queue was timing out because of missing start queue for a corresponding netif_tx_disable. o Loopback test failed because driver was not setting linkup variable while handling link events. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28qlcnic: Fix loopback test failureShahed Shaikh1-3/+8
Driver was returning from link event handler without setting linkup variable Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28qlcnic: Fix tx timeout.Rajesh Borundia1-7/+2
o __qlcnic_down call's netif_tx_disable which in turn stops all the TX queues, corresponding start queue was missing in __qlcnic_up which was leading to tx timeout. o The commit b84caae486135d588fb200973b0be8cb8a511edf (qlcnic: Fix usage of netif_tx_{wake, stop} api during link change.) exposed this issue. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28qlcnic: Fix initialization of vlan list.Rajesh Borundia1-6/+5
o Do not re-initialize vlan list in case of adapter reset. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28qlcnic: Correct off-by-one errors in bounds checksManish Chopra1-4/+4
o Bound checks should be >= instead of > for number of receive descriptors and number of receive rings. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28net: Document promote_secondariesMartin Schwenke1-0/+6
From 038a821667f62c496f2bbae27081b1b612122a97 Mon Sep 17 00:00:00 2001 From: Martin Schwenke <martin@meltin.net> Date: Tue, 28 Jan 2014 15:16:49 +1100 Subject: [PATCH] net: Document promote_secondaries This option was added a long time ago... commit 8f937c6099858eee15fae14009dcbd05177fa91d Author: Harald Welte <laforge@gnumonks.org> Date: Sun May 29 20:23:46 2005 -0700 [IPV4]: Primary and secondary addresses Signed-off-by: Martin Schwenke <martin@meltin.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28net: gre: use icmp_hdr() to get inner ip headerDuan Jiong1-1/+1
When dealing with icmp messages, the skb->data points the ip header that triggered the sending of the icmp message. In gre_cisco_err(), the parse_gre_header() is called, and the iptunnel_pull_header() is called to pull the skb at the end of the parse_gre_header(), so the skb->data doesn't point the inner ip header. Unfortunately, the ipgre_err still needs those ip addresses in inner ip header to look up tunnel by ip_tunnel_lookup(). So just use icmp_hdr() to get inner ip header instead of skb->data. Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28i40e: Add missing braces to i40e_dcb_need_reconfig()Dave Jones1-1/+2
Indentation mismatch spotted with Coverity. Introduced in 4e3b35b044ea ("i40e: add DCB and DCBNL support") Signed-off-by: Dave Jones <davej@fedoraproject.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28xen-netfront: fix resource leak in netfrontAnnie Li1-62/+26
This patch removes grant transfer releasing code from netfront, and uses gnttab_end_foreign_access to end grant access since gnttab_end_foreign_access_ref may fail when the grant entry is currently used for reading or writing. * clean up grant transfer code kept from old netfront(2.6.18) which grants pages for access/map and transfer. But grant transfer is deprecated in current netfront, so remove corresponding release code for transfer. * fix resource leak, release grant access (through gnttab_end_foreign_access) and skb for tx/rx path, use get_page to ensure page is released when grant access is completed successfully. Xen-blkfront/xen-tpmfront/xen-pcifront also have similar issue, but patches for them will be created separately. V6: Correct subject line and commit message. V5: Remove unecessary change in xennet_end_access. V4: Revert put_page in gnttab_end_foreign_access, and keep netfront change in single patch. V3: Changes as suggestion from David Vrabel, ensure pages are not freed untill grant acess is ended. V2: Improve patch comments. Signed-off-by: Annie Li <annie.li@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28net: 6lowpan: fixup for code movementStephen Rothwell1-1/+1
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28hyperv: Add support for physically discontinuous receive bufferHaiyang Zhang3-12/+11
This will allow us to use bigger receive buffer, and prevent allocation failure due to fragmented memory. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28sky2: initialize napi before registering deviceStanislaw Gruszka1-2/+2
There is race condition when call netif_napi_add() after register_netdevice(), as ->open() can be called without napi initialized and trigger BUG_ON() on napi_enable(), like on below messages: [ 9.699863] sky2: driver version 1.30 [ 9.699960] sky2 0000:02:00.0: Yukon-2 EC Ultra chip revision 2 [ 9.700020] sky2 0000:02:00.0: irq 45 for MSI/MSI-X [ 9.700498] ------------[ cut here ]------------ [ 9.703391] kernel BUG at include/linux/netdevice.h:501! [ 9.703391] invalid opcode: 0000 [#1] PREEMPT SMP <snip> [ 9.830018] Call Trace: [ 9.830018] [<fa996169>] sky2_open+0x309/0x360 [sky2] [ 9.830018] [<c1007210>] ? via_no_dac+0x40/0x40 [ 9.830018] [<c1007210>] ? via_no_dac+0x40/0x40 [ 9.830018] [<c135ed4b>] __dev_open+0x9b/0x120 [ 9.830018] [<c1431cbe>] ? _raw_spin_unlock_bh+0x1e/0x20 [ 9.830018] [<c135efd9>] __dev_change_flags+0x89/0x150 [ 9.830018] [<c135f148>] dev_change_flags+0x18/0x50 [ 9.830018] [<c13bb8e0>] devinet_ioctl+0x5d0/0x6e0 [ 9.830018] [<c13bcced>] inet_ioctl+0x6d/0xa0 To fix the problem patch changes the order of initialization. Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=67151 Reported-and-tested-by: ebrahim.azarisooreh@gmail.com Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28net: Fix memory leak if TPROXY used with TCP early demuxHolger Eitzenberger2-2/+2
I see a memory leak when using a transparent HTTP proxy using TPROXY together with TCP early demux and Kernel v3.8.13.15 (Ubuntu stable): unreferenced object 0xffff88008cba4a40 (size 1696): comm "softirq", pid 0, jiffies 4294944115 (age 8907.520s) hex dump (first 32 bytes): 0a e0 20 6a 40 04 1b 37 92 be 32 e2 e8 b4 00 00 .. j@..7..2..... 02 00 07 01 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff810b710a>] kmem_cache_alloc+0xad/0xb9 [<ffffffff81270185>] sk_prot_alloc+0x29/0xc5 [<ffffffff812702cf>] sk_clone_lock+0x14/0x283 [<ffffffff812aaf3a>] inet_csk_clone_lock+0xf/0x7b [<ffffffff8129a893>] netlink_broadcast+0x14/0x16 [<ffffffff812c1573>] tcp_create_openreq_child+0x1b/0x4c3 [<ffffffff812c033e>] tcp_v4_syn_recv_sock+0x38/0x25d [<ffffffff812c13e4>] tcp_check_req+0x25c/0x3d0 [<ffffffff812bf87a>] tcp_v4_do_rcv+0x287/0x40e [<ffffffff812a08a7>] ip_route_input_noref+0x843/0xa55 [<ffffffff812bfeca>] tcp_v4_rcv+0x4c9/0x725 [<ffffffff812a26f4>] ip_local_deliver_finish+0xe9/0x154 [<ffffffff8127a927>] __netif_receive_skb+0x4b2/0x514 [<ffffffff8127aa77>] process_backlog+0xee/0x1c5 [<ffffffff8127c949>] net_rx_action+0xa7/0x200 [<ffffffff81209d86>] add_interrupt_randomness+0x39/0x157 But there are many more, resulting in the machine going OOM after some days. From looking at the TPROXY code, and with help from Florian, I see that the memory leak is introduced in tcp_v4_early_demux(): void tcp_v4_early_demux(struct sk_buff *skb) { /* ... */ iph = ip_hdr(skb); th = tcp_hdr(skb); if (th->doff < sizeof(struct tcphdr) / 4) return; sk = __inet_lookup_established(dev_net(skb->dev), &tcp_hashinfo, iph->saddr, th->source, iph->daddr, ntohs(th->dest), skb->skb_iif); if (sk) { skb->sk = sk; where the socket is assigned unconditionally to skb->sk, also bumping the refcnt on it. This is problematic, because in our case the skb has already a socket assigned in the TPROXY target. This then results in the leak I see. The very same issue seems to be with IPv6, but haven't tested. Reviewed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28Merge branch 'bonding'David S. Miller1-28/+39
Veaceslav Falico says: ==================== bonding: fix locking in bond_ab_arp_prob After the latest patches, on every call of bond_ab_arp_probe() without an active slave I see the following warning: [ 7.912314] RTNL: assertion failed at net/core/dev.c (4494) ... [ 7.922495] [<ffffffff817acc6f>] dump_stack+0x51/0x72 [ 7.923714] [<ffffffff8168795e>] netdev_master_upper_dev_get+0x6e/0x70 [ 7.924940] [<ffffffff816a2a66>] rtnl_link_fill+0x116/0x260 [ 7.926143] [<ffffffff817acc6f>] ? dump_stack+0x51/0x72 [ 7.927333] [<ffffffff816a350c>] rtnl_fill_ifinfo+0x95c/0xb90 [ 7.928529] [<ffffffff8167af2b>] ? __kmalloc_reserve+0x3b/0xa0 [ 7.929681] [<ffffffff8167bfcf>] ? __alloc_skb+0x9f/0x1e0 [ 7.930827] [<ffffffff816a3b64>] rtmsg_ifinfo+0x84/0x100 [ 7.931960] [<ffffffffa00bca07>] bond_ab_arp_probe+0x1a7/0x370 [bonding] [ 7.933133] [<ffffffffa00bcd78>] bond_activebackup_arp_mon+0x1a8/0x2f0 [bonding] ... It happens because in bond_ab_arp_probe() we change the flags of a slave without holding the RTNL lock. To fix this - remove the useless curr_active_lock, RCUify it and lock RTNL while changing the slave's flags. Also, remove bond_ab_arp_probe() from under any locks in bond_ab_arp_mon(). ==================== Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28bonding: restructure locking of bond_ab_arp_probe()Veaceslav Falico1-21/+36
Currently we're calling it from under RCU context, however we're using some functions that require rtnl to be held. Fix this by restructuring the locking - don't call it under any locks, aquire rcu_read_lock() if we're sending _only_ (i.e. we have the active slave present), and use rtnl locking otherwise - if we need to modify (in)active flags of a slave. CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28bonding: RCUify bond_ab_arp_probeVeaceslav Falico1-10/+6
Currently bond_ab_arp_probe() is always called under rcu_read_lock(), however to work with curr_active_slave we're still holding the curr_slave_lock. To remove that curr_slave_lock - rcu_dereference the bond's curr_active_slave and use it further - so that we're sure the slave won't go away, and we don't care if it will change in the meanwhile. CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28AF_PACKET: Add documentation for queue mapping fanout modeNeil Horman1-0/+1
Recently I added a new AF_PACKET fanout operation mode in commit 2d36097, but I forgot to document it. Add PACKET_FANOUT_QM as an available mode in the af_packet documentation. Applies to net-next. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: "David S. Miller" <davem@davemloft.net> CC: Daniel Borkmann <dborkman@redhat.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28bnx2x: More Shutdown revisionsYuval Mintz1-2/+2
Submission d9aee59 "bnx2x: Don't release PCI bars on shutdown" separated the PCI remove and shutdown flows, but pci_disable_device() is still being called on both. As a result, a dev_WARN_ONCE will be hit during shutdown for every bnx2x VF probed on a hypervisor (as its shutdown callback will be called and later pci_disable_sriov() will call its remove callback). This calls the pci_disable_device() only on the remove flow. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-28net: ipv4: Use PTR_ERR_OR_ZEROSachin Kamat1-1/+2
PTR_RET is deprecated. Use PTR_ERR_OR_ZERO instead. While at it also include missing err.h header. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27net: stmmac: Log MAC address only onceHans de Goede1-2/+2
Logging the MAC address on every if-up, is not really useful, and annoying when there is no cable inserted and NetworkManager tries the ifup every 50 seconds. Also change the log level from warning to info, as that is what it is. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27net: stmmac: Silence PTP init errors on hw without PTPHans de Goede1-1/+1
Logging a PTP error on hw which simply does not support PTP is not very useful. Moreover this message gets logged on every if-up, and if there is no cable inserted NetworkManager will re-try the ifup every 50 seconds. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27net/apne: Remove unused variable ei_localGeert Uytterhoeven1-1/+0
drivers/net/ethernet/8390/apne.c: In function ‘apne_probe1’: drivers/net/ethernet/8390/apne.c:215: warning: unused variable ‘ei_local’ Introduced by commit c45f812f0280c13f1b7992be5e0de512312a9e8f ("8390 : Replace ei_debug with msg_enable/NETIF_MSG_* feature"), which added the variable without using it. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-27net: add and use skb_gso_transport_seglen()Florian Westphal3-10/+29
This moves part of Eric Dumazets skb_gso_seglen helper from tbf sched to skbuff core so it may be reused by upcoming ip forwarding path patch. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-26Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds3-28/+29
Pull UML changes from Richard Weinberger: "This time only various cleanups and housekeeping patches" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: hostfs: make functions static um: Include generic barrier.h um: Removed unused attributes from thread_struct
2014-01-26Merge tag 'mmc-updates-for-3.14-rc1' of ↵Linus Torvalds36-341/+1343
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc Pull MMC updates from Chris Ball: "MMC highlights for 3.14: Core: - Avoid get_cd() on cards marked nonremovable Drivers: - arasan: New driver for controllers found in e.g. Xilinx Zynq SoC - dwmmc: Support Hisilicon K3 SoC controllers - esdhc-imx: Support for HS200 mode, DDR modes on MX6, runtime PM - sdhci-pci: Support O2Micro/BayHubTech controllers used in laptops like Lenovo ThinkPad W540, Dell Latitude E5440, Dell Latitude E6540 - tegra: Support Tegra124 SoCs" * tag 'mmc-updates-for-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (55 commits) mmc: sdhci-pci: Fix possibility of chip->fixes being null mmc: sdhci-pci: Fix BYT sd card getting stuck in runtime suspend mmc: sdhci: Allow for long command timeouts mmc: sdio: add a quirk for broken SDIO_CCCR_INTx polling mmc: sdhci: fix lockdep error in tuning routine mmc: dw_mmc: k3: remove clk_table mmc: dw_mmc: fix dw_mci_get_cd mmc: dw_mmc: fix sparse non static symbol warning mmc: sdhci-esdhc-imx: fix warning during module remove function mmc: sdhci-esdhc-imx: fix access hardirq-unsafe lock in atomic context mmc: core: sd: implement proper support for sd3.0 au sizes mmc: atmel-mci: add vmmc-supply support mmc: sdhci-pci: add broken HS200 quirk for Intel Merrifield mmc: sdhci: add quirk for broken HS200 support mmc: arasan: Add driver for Arasan SDHCI mmc: dw_mmc: add dw_mmc-k3 for k3 platform mmc: dw_mmc: use slot-gpio to handle cd pin mmc: sdhci-pci: add support of O2Micro/BayHubTech SD hosts mmc: sdhci-pci: break out definitions to header file mmc: tmio: fixup compile error ... Conflicts: MAINTAINERS
2014-01-26Merge tag 'for-3.14-merge-window' of ↵Linus Torvalds14-54/+195
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs Pull 9p changes from Eric Van Hensbergen: "Included are a new cache model for support of mmap, and several cleanups across the filesystem and networking portions of the code" * tag 'for-3.14-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: update documentation 9P: introduction of a new cache=mmap model. net/9p: remove virtio default hack and set appropriate bits instead 9p: remove useless 'name' variable and assignment 9p: fix return value in case in v9fs_fid_xattr_set() 9p: remove useless variable and assignment 9p: remove useless assignment 9p: remove unused 'super_block' struct pointer 9p: remove never used return variable 9p: remove unused 'p9_fid' struct pointer 9p: remove unused 'p9_client' struct pointer
2014-01-26af_rxrpc: Handle frames delivered from another VMTim Smith1-1/+2
On input, CHECKSUM_PARTIAL should be treated the same way as CHECKSUM_UNNECESSARY. See include/linux/skbuff.h Signed-off-by: Tim Smith <tim@electronghost.co.uk> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26af_rxrpc: Avoid setting up double-free on checksum errorTim Smith1-0/+4
skb_kill_datagram() does not dequeue the skb when MSG_PEEK is unset. This leaves a free'd skb on the queue, resulting a double-free later. Without this, the following oops can occur: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffff8154fcf7>] skb_dequeue+0x47/0x70 PGD 0 Oops: 0002 [#1] SMP Modules linked in: af_rxrpc ... CPU: 0 PID: 1191 Comm: listen Not tainted 3.12.0+ #4 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 task: ffff8801183536b0 ti: ffff880035c92000 task.ti: ffff880035c92000 RIP: 0010:[<ffffffff8154fcf7>] skb_dequeue+0x47/0x70 RSP: 0018:ffff880035c93db8 EFLAGS: 00010097 RAX: 0000000000000246 RBX: ffff8800d2754b00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000202 RDI: ffff8800d254c084 RBP: ffff880035c93dd0 R08: ffff880035c93cf0 R09: ffff8800d968f270 R10: 0000000000000000 R11: 0000000000000293 R12: ffff8800d254c070 R13: ffff8800d254c084 R14: ffff8800cd861240 R15: ffff880119b39720 FS: 00007f37a969d740(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000008 CR3: 00000000d4413000 CR4: 00000000000006f0 Stack: ffff8800d254c000 ffff8800d254c070 ffff8800d254c2c0 ffff880035c93df8 ffffffffa041a5b8 ffff8800cd844c80 ffffffffa04385a0 ffff8800cd844cb0 ffff880035c93e18 ffffffff81546cef ffff8800d45fea00 0000000000000008 Call Trace: [<ffffffffa041a5b8>] rxrpc_release+0x128/0x2e0 [af_rxrpc] [<ffffffff81546cef>] sock_release+0x1f/0x80 [<ffffffff81546d62>] sock_close+0x12/0x20 [<ffffffff811aaba1>] __fput+0xe1/0x230 [<ffffffff811aad3e>] ____fput+0xe/0x10 [<ffffffff810862cc>] task_work_run+0xbc/0xe0 [<ffffffff8106a3be>] do_exit+0x2be/0xa10 [<ffffffff8116dc47>] ? do_munmap+0x297/0x3b0 [<ffffffff8106ab8f>] do_group_exit+0x3f/0xa0 [<ffffffff8106ac04>] SyS_exit_group+0x14/0x20 [<ffffffff8166b069>] system_call_fastpath+0x16/0x1b Signed-off-by: Tim Smith <tim@electronghost.co.uk> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26RxRPC: do not unlock unheld spinlock in rxrpc_connect_exclusive()Alexey Khoroshilov1-0/+2
If rx->conn is not NULL, rxrpc_connect_exclusive() does not acquire the transport's client lock, but it still releases it. The patch adds locking of the spinlock to this path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26um: hostfs: make functions staticJames Hogan1-25/+28
The hostfs_*() callback functions are all only used within hostfs_kern.c, so make them static. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: Richard Weinberger <richard@nod.at>
2014-01-26um: Include generic barrier.hRichard Weinberger1-0/+1
...to get smp_store_release(). Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Richard Weinberger <richard@nod.at>
2014-01-26um: Removed unused attributes from thread_structRichard Weinberger1-3/+0
temp_stack and mm_count have no users and can be killed. Signed-off-by: Richard Weinberger <richard@nod.at>
2014-01-26Merge branch 'ipmi' (ipmi patches from Corey Minyard)Linus Torvalds4-25/+39
Merge ipmi fixes from Corey Minyard: "Just some collected fixes for 3.14. Nothing huge" * emailed patches from Corey Minyard <minyard@acm.org>: ipmi: Cleanup error return ipmi: fix timeout calculation when bmc is disconnected ipmi: use USEC_PER_SEC instead of 1000000 for more meaningful ipmi: remove deprecated IRQF_DISABLED
2014-01-26ipmi: Cleanup error returnCorey Minyard1-15/+29
Return proper errors for a lot of IPMI failure cases. Also call pci_disable_device when IPMI PCI devices are removed. Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-26ipmi: fix timeout calculation when bmc is disconnectedXie XiuQi1-1/+1
Loading ipmi_si module while bmc is disconnected, we found the timeout is longer than 5 secs. Actually it takes about 3 mins and 20 secs.(HZ=250) error message as below: Dec 12 19:08:59 linux kernel: IPMI BT: timeout in RD_WAIT [ ] 1 retries left Dec 12 19:08:59 linux kernel: BT: write 4 bytes seq=0x01 03 18 00 01 [...] Dec 12 19:12:19 linux kernel: IPMI BT: timeout in RD_WAIT [ ] Dec 12 19:12:19 linux kernel: failed 2 retries, sending error response Dec 12 19:12:19 linux kernel: IPMI: BT reset (takes 5 secs) Dec 12 19:12:19 linux kernel: IPMI BT: flag reset [ ] Function wait_for_msg_done() use schedule_timeout_uninterruptible(1) to sleep 1 tick, so we should subtract jiffies_to_usecs(1) instead of 100 usecs from timeout. Reported-by: Hu Shiyuan <hushiyuan@huawei.com> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-26ipmi: use USEC_PER_SEC instead of 1000000 for more meaningfulXie XiuQi3-7/+7
Use USEC_PER_SEC instead of 1000000, that making the later bugfix more clearly. Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-26ipmi: remove deprecated IRQF_DISABLEDMichael Opdenacker1-2/+2
This patch proposes to remove the use of the IRQF_DISABLED flag It's a NOOP since 2.6.35 and it will be removed one day. Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-26Merge tag 'spi-v3.14-2' of ↵Linus Torvalds53-1519/+1491
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi updates from Mark Brown: "A respun version of the merges for the pull request previously sent with a few additional fixes. The last two merges were fixed up by hand since the branches have moved on and currently have the prior merge in them. Quite a busy release for the SPI subsystem, mostly in cleanups big and small scattered through the stack rather than anything else: - New driver for the Broadcom BC63xx HSSPI controller - Fix duplicate device registration for ACPI - Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA changes upon which the transiton depends) - Some small optimisations to reduce the amount of time we hold locks in the datapath, eliminate some redundant checks and the size of a spi_transfer - Lots of fixes, cleanups and general enhancements to drivers, especially the rspi and Atmel drivers" * tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (112 commits) spi: core: Fix transfer failure when master->transfer_one returns positive value spi: Correct set_cs() documentation spi: Clarify transfer_one() w.r.t. spi_finalize_current_transfer() spi: Spelling s/finised/finished/ spi: sc18is602: Convert to use bits_per_word_mask spi: Remove duplicate code to set default bits_per_word setting spi/pxa2xx: fix compilation warning when !CONFIG_PM_SLEEP spi: clps711x: Add MODULE_ALIAS to support module auto-loading spi: rspi: Add missing clk_disable() calls in error and cleanup paths spi: rspi: Spelling s/transmition/transmission/ spi: rspi: Add support for specifying CPHA/CPOL spi/pxa2xx: initialize DMA channels to -1 to prevent inadvertent match spi: rspi: Add more QSPI register documentation spi: rspi: Add more RSPI register documentation spi: rspi: Remove dependency on DMAE for SHMOBILE spi/s3c64xx: Correct indentation spi: sh: Use spi_sh_clear_bit() instead of open-coded spi: bitbang: Grammar s/make to make/to make/ spi: sh-hspi: Spelling s/recive/receive/ spi: core: Improve tx/rx_nbits check comments ...
2014-01-26Merge tag 'regulator-v3.14-2' of ↵Linus Torvalds36-460/+1017
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator updates from Mark Brown: "A respin of the merges in the previous pull request with one extra fix. A quiet release for the regulator API, quite a large number of small improvements all over but other than the addition of new drivers for the AS3722 and MAX14577 there is nothing of substantial non-local impact" * tag 'regulator-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (47 commits) regulator: pfuze100-regulator: Improve dev_info() message regulator: pfuze100-regulator: Fix some checkpatch complaints regulator: twl: Fix checkpatch issue regulator: core: Fix checkpatch issue regulator: anatop-regulator: Remove unneeded memset() regulator: s5m8767: Update LDO index in s5m8767-regulator.txt regulator: as3722: set enable time for SD0/1/6 regulator: as3722: detect SD0 low-voltage mode regulator: tps62360: Fix up a pointer-integer size mismatch warning regulator: anatop-regulator: Remove unneeded kstrdup() regulator: act8865: Fix build error when !OF regulator: act8865: register all regulators regardless of how many are used regulator: wm831x-dcdc: Remove unneeded 'err' label regulator: anatop-regulator: Add MODULE_ALIAS() regulator: act8865: fix incorrect devm_kzalloc for act8865 regulator: act8865: Remove set_suspend_[en|dis]able implementation regulator: act8865: Remove unneeded regulator_unregister() calls regulator: s2mps11: Clean up redundant code regulator: tps65910: Simplify setting enable_mask for regulators regulator: act8865: add device tree binding doc ...
2014-01-26Merge tag 'regmap-v3.14' of ↵Linus Torvalds3-39/+54
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap updates from Mark Brown: "Nothing terribly exciting with regmap this release, mainly a few small extensions to allow more devices to be supported: - Allow the bulk I/O APIs to be used with no-bus regmaps - Support interrupt controllers with zero ack base - Warning and spelling fixes" * tag 'regmap-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: fix a couple of typos regmap: Allow regmap_bulk_write() to work for "no-bus" regmaps regmap: Allow regmap_bulk_read() to work for "no-bus" regmaps regmap: irq: Allow using zero value for ack_base regmap: Fix 'ret' would return an uninitialized value
2014-01-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds1823-38368/+83389
Pull networking updates from David Miller: 1) BPF debugger and asm tool by Daniel Borkmann. 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann. 3) Correct reciprocal_divide and update users, from Hannes Frederic Sowa and Daniel Borkmann. 4) Currently we only have a "set" operation for the hw timestamp socket ioctl, add a "get" operation to match. From Ben Hutchings. 5) Add better trace events for debugging driver datapath problems, also from Ben Hutchings. 6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we have a small send and a previous packet is already in the qdisc or device queue, defer until TX completion or we get more data. 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko. 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel Borkmann. 9) Share IP header compression code between Bluetooth and IEEE802154 layers, from Jukka Rissanen. 10) Fix ipv6 router reachability probing, from Jiri Benc. 11) Allow packets to be captured on macvtap devices, from Vlad Yasevich. 12) Support tunneling in GRO layer, from Jerry Chu. 13) Allow bonding to be configured fully using netlink, from Scott Feldman. 14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can already get the TCI. From Atzm Watanabe. 15) New "Heavy Hitter" qdisc, from Terry Lam. 16) Significantly improve the IPSEC support in pktgen, from Fan Du. 17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom Herbert. 18) Add Proportional Integral Enhanced packet scheduler, from Vijay Subramanian. 19) Allow openvswitch to mmap'd netlink, from Thomas Graf. 20) Key TCP metrics blobs also by source address, not just destination address. From Christoph Paasch. 21) Support 10G in generic phylib. From Andy Fleming. 22) Try to short-circuit GRO flow compares using device provided RX hash, if provided. From Tom Herbert. The wireless and netfilter folks have been busy little bees too. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits) net/cxgb4: Fix referencing freed adapter ipv6: reallocate addrconf router for ipv6 address when lo device up fib_frontend: fix possible NULL pointer dereference rtnetlink: remove IFLA_BOND_SLAVE definition rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info qlcnic: update version to 5.3.55 qlcnic: Enhance logic to calculate msix vectors. qlcnic: Refactor interrupt coalescing code for all adapters. qlcnic: Update poll controller code path qlcnic: Interrupt code cleanup qlcnic: Enhance Tx timeout debugging. qlcnic: Use bool for rx_mac_learn. bonding: fix u64 division rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC sfc: Use the correct maximum TX DMA ring size for SFC9100 Add Shradha Shah as the sfc driver maintainer. net/vxlan: Share RX skb de-marking and checksum checks with ovs tulip: cleanup by using ARRAY_SIZE() ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called net/cxgb4: Don't retrieve stats during recovery ...
2014-01-25Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds12-18/+51
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "A handful of tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf symbols: Load map before using map->map_ip() perf tools: Fix traceevent plugin path definitions perf symbols: Fix JIT symbol resolution on heap perf stat: Fix memory corruption of xyarray when cpumask is used perf evsel: Remove duplicate member zeroing after free perf tools: Ensure sscanf does not overrun the "mem" field perf stat: fix NULL pointer reference bug with event unit perf tools: Add support for the xtensa architecture perf session: Free cpu_map in perf_session__cpu_bitmap perf timechart: Fix wrong SVG height
2014-01-25Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds4-25/+43
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "A couple of regression fixes mostly hitting virtualized setups, but also some bare metal systems" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/x86/tsc: Initialize multiplier to 0 sched/clock: Fixup early initialization sched/preempt/x86: Fix voluntary preempt for x86 Revert "sched: Fix sleep time double accounting in enqueue entity"
2014-01-25Merge branch 'for-linus' of ↵Linus Torvalds6-81/+0
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull user namespaces work from Eric Biederman: "The work to convert the kernel to use kuid_t and kgid_t has been finished since 3.12 so it is time to remove the scaffolding that allowed the work to progress incrementally. The first patch on this branch just removes the scaffolding, ensuring we will always get compile errors if people accidentally try the userspace and the kernel uid and gid types. The second patch an overlooked and unused chunk of mips code that that fails to build after the first patch. The code hasn't been in linux-next for long (as I was out of it and could not sheppared the cold properly) but the patch has been around for a long time just waiting for the day when I had finished the uid/gid conversions. Putting the code in linux-next did find the compile failure on mips so I took the time to get that fix reviewed and included. Beyond that I am not too worried about errors because all these two patches do is delete a modest amount of code" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: MIPS: VPE: Remove vpe_getuid and vpe_getgid userns: userns: Remove UIDGID_STRICT_TYPE_CHECKS
2014-01-25Merge tag 'arc-v3.14-rc1' of ↵Linus Torvalds6-108/+121
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC changes from Vineet Gupta: - IPI optimization and cleanups - Support for bootloader provided external Device Tree blobs * tag 'arc-v3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [cmdline] support External Device Trees from u-boot ARC: [cmdline] uboot cmdline handling rework ARC: [SMP] optimize IPI send and receive ARC: [SMP] simplify IPI code ARC: [SMP] cpu halt interface doesn't need "self" cpu-id ARC: [SMP] IPI ACK interface doesn't need "self" cpu-id ARC: [SMP] cpumask not needed in IPI send path
2014-01-25Merge tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linuxLinus Torvalds53-637/+2145
Pull Xtensa patches from Chris Zankel: "The major changes are adding support for SMP for Xtensa, fixing and cleaning up the ISS (simulator) network driver, and better support for device trees" * tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits) xtensa: implement ndelay xtensa: clean up udelay xtensa: enable HAVE_PERF_EVENTS xtensa: remap io area defined in device tree xtensa: support default device tree buses xtensa: initialize device tree clock sources xtensa: xtfpga: fix definitions of platform devices xtensa: standardize devicetree cpu compatible strings xtensa: avoid duplicate of IO range definitions xtensa: fix ATOMCTL register documentation xtensa: Enable irqs after cpu is set online xtensa: ISS: raise network polling rate to 10 times/sec xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter xtensa: ISS: avoid simple_strtoul usage xtensa: Switch to sched_clock_register() xtensa: implement CPU hotplug xtensa: add SMP support xtensa: add MX irqchip xtensa: clear timer IRQ unconditionally in its handler xtensa: clean up do_interrupt/do_IRQ ...
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