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| author | Volodymyr Mytnyk <vmytnyk@marvell.com> | 2021-11-18 22:51:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-19 14:20:55 +0300 |
| commit | e8d032507cb7912baf1d3e0af54516f823befefd (patch) | |
| tree | 9858e3fbd8b123877719be329438158e1436ed90 /drivers/net/ethernet/aquantia/atlantic | |
| parent | 253e9b4d11e577bb8cbc77ef68a9ff46438065ca (diff) | |
| download | linux-e8d032507cb7912baf1d3e0af54516f823befefd.tar.xz | |
net: marvell: prestera: fix double free issue on err path
fix error path handling in prestera_bridge_port_join() that
cases prestera driver to crash (see below).
Trace:
Internal error: Oops: 96000044 [#1] SMP
Modules linked in: prestera_pci prestera uio_pdrv_genirq
CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : prestera_bridge_destroy+0x2c/0xb0 [prestera]
lr : prestera_bridge_port_join+0x2cc/0x350 [prestera]
sp : ffff800011a1b0f0
...
x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122
Call trace:
prestera_bridge_destroy+0x2c/0xb0 [prestera]
prestera_bridge_port_join+0x2cc/0x350 [prestera]
prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]
prestera_netdev_event_handler+0xf4/0x110 [prestera]
raw_notifier_call_chain+0x54/0x80
call_netdevice_notifiers_info+0x54/0xa0
__netdev_upper_dev_link+0x19c/0x380
Fixes: e1189d9a5fbe ("net: marvell: prestera: Add Switchdev driver implementation")
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic')
0 files changed, 0 insertions, 0 deletions