diff options
author | David S. Miller <davem@davemloft.net> | 2018-12-20 21:53:28 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2018-12-20 22:53:36 +0300 |
commit | 2be09de7d6a06f58e768de1255a687c9aaa66606 (patch) | |
tree | 298f9e04caf105873d987e807eccba27710a49cc /net/vmw_vsock/vmci_transport.c | |
parent | 44a7b3b6e3a458f9549c2cc28e74ecdc470e42f1 (diff) | |
parent | 1d51b4b1d3f2db0d6d144175e31a84e472fbd99a (diff) | |
download | linux-2be09de7d6a06f58e768de1255a687c9aaa66606.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Lots of conflicts, by happily all cases of overlapping
changes, parallel adds, things of that nature.
Thanks to Stephen Rothwell, Saeed Mahameed, and others
for their guidance in these resolutions.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/vmw_vsock/vmci_transport.c')
-rw-r--r-- | net/vmw_vsock/vmci_transport.c | 67 |
1 files changed, 50 insertions, 17 deletions
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index cb332adb84cd..c361ce782412 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -264,6 +264,31 @@ vmci_transport_send_control_pkt_bh(struct sockaddr_vm *src, } static int +vmci_transport_alloc_send_control_pkt(struct sockaddr_vm *src, + struct sockaddr_vm *dst, + enum vmci_transport_packet_type type, + u64 size, + u64 mode, + struct vmci_transport_waiting_info *wait, + u16 proto, + struct vmci_handle handle) +{ + struct vmci_transport_packet *pkt; + int err; + + pkt = kmalloc(sizeof(*pkt), GFP_KERNEL); + if (!pkt) + return -ENOMEM; + + err = __vmci_transport_send_control_pkt(pkt, src, dst, type, size, + mode, wait, proto, handle, + true); + kfree(pkt); + + return err; +} + +static int vmci_transport_send_control_pkt(struct sock *sk, enum vmci_transport_packet_type type, u64 size, @@ -272,9 +297,7 @@ vmci_transport_send_control_pkt(struct sock *sk, u16 proto, struct vmci_handle handle) { - struct vmci_transport_packet *pkt; struct vsock_sock *vsk; - int err; vsk = vsock_sk(sk); @@ -284,17 +307,10 @@ vmci_transport_send_control_pkt(struct sock *sk, if (!vsock_addr_bound(&vsk->remote_addr)) return -EINVAL; - pkt = kmalloc(sizeof(*pkt), GFP_KERNEL); - if (!pkt) - return -ENOMEM; - - err = __vmci_transport_send_control_pkt(pkt, &vsk->local_addr, - &vsk->remote_addr, type, size, - mode, wait, proto, handle, - true); - kfree(pkt); - - return err; + return vmci_transport_alloc_send_control_pkt(&vsk->local_addr, + &vsk->remote_addr, + type, size, mode, + wait, proto, handle); } static int vmci_transport_send_reset_bh(struct sockaddr_vm *dst, @@ -312,12 +328,29 @@ static int vmci_transport_send_reset_bh(struct sockaddr_vm *dst, static int vmci_transport_send_reset(struct sock *sk, struct vmci_transport_packet *pkt) { + struct sockaddr_vm *dst_ptr; + struct sockaddr_vm dst; + struct vsock_sock *vsk; + if (pkt->type == VMCI_TRANSPORT_PACKET_TYPE_RST) return 0; - return vmci_transport_send_control_pkt(sk, - VMCI_TRANSPORT_PACKET_TYPE_RST, - 0, 0, NULL, VSOCK_PROTO_INVALID, - VMCI_INVALID_HANDLE); + + vsk = vsock_sk(sk); + + if (!vsock_addr_bound(&vsk->local_addr)) + return -EINVAL; + + if (vsock_addr_bound(&vsk->remote_addr)) { + dst_ptr = &vsk->remote_addr; + } else { + vsock_addr_init(&dst, pkt->dg.src.context, + pkt->src_port); + dst_ptr = &dst; + } + return vmci_transport_alloc_send_control_pkt(&vsk->local_addr, dst_ptr, + VMCI_TRANSPORT_PACKET_TYPE_RST, + 0, 0, NULL, VSOCK_PROTO_INVALID, + VMCI_INVALID_HANDLE); } static int vmci_transport_send_negotiate(struct sock *sk, size_t size) |