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| author |   Bert Kenward <bkenward@solarflare.com> | 2017-12-07 17:18:58 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-08 13:25:39 -0500 |
| commit | d4a7a8893d4cdbc89d79ac4aa704bf8d4b67b368 (patch) | |
| tree | ba5facbcc8cbb76b382a6b607f91ce050e42d552 /net/ipv4/tcp_bbr.c | |
| parent | gianfar: Disable EEE autoneg by default (diff) | |
| download | linux-dev-d4a7a8893d4cdbc89d79ac4aa704bf8d4b67b368.tar.xz linux-dev-d4a7a8893d4cdbc89d79ac4aa704bf8d4b67b368.zip | |
sfc: pass valid pointers from efx_enqueue_unwind
The bytes_compl and pkts_compl pointers passed to efx_dequeue_buffers
cannot be NULL. Add a paranoid warning to check this condition and fix
the one case where they were NULL.
efx_enqueue_unwind() is called very rarely, during error handling.
Without this fix it would fail with a NULL pointer dereference in
efx_dequeue_buffer, with efx_enqueue_skb in the call stack.
Fixes: e9117e5099ea ("sfc: Firmware-Assisted TSO version 2")
Reported-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Tested-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_bbr.c')
0 files changed, 0 insertions, 0 deletions