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| author | Håkon Bugge <haakon.bugge@oracle.com> | 2022-10-12 17:15:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-10 20:14:16 +0300 |
| commit | 87ac93c8dd6ddbbfa2c2239a42520c8410d2fcca (patch) | |
| tree | 416992e8fa9b5bf17efbba3a30dca6f9dbc7b1fc /drivers/infiniband/hw/hfi1/pio.c | |
| parent | 4dbb739eb29c99c8b59bbb7bbaa71ec1b438f37c (diff) | |
| download | linux-87ac93c8dd6ddbbfa2c2239a42520c8410d2fcca.tar.xz | |
RDMA/cma: Use output interface for net_dev check
[ Upstream commit eb83f502adb036cd56c27e13b9ca3b2aabfa790b ]
Commit 27cfde795a96 ("RDMA/cma: Fix arguments order in net device
validation") swapped the src and dst addresses in the call to
validate_net_dev().
As a consequence, the test in validate_ipv4_net_dev() to see if the
net_dev is the right one, is incorrect for port 1 <-> 2 communication when
the ports are on the same sub-net. This is fixed by denoting the
flowi4_oif as the device instead of the incoming one.
The bug has not been observed using IPv6 addresses.
Fixes: 27cfde795a96 ("RDMA/cma: Fix arguments order in net device validation")
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Link: https://lore.kernel.org/r/20221012141542.16925-1-haakon.bugge@oracle.com
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/pio.c')
0 files changed, 0 insertions, 0 deletions