diff options
| author | Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2015-10-26 17:46:37 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-28 03:46:34 +0100 |
| commit | 8ce675ff39b9958d1c10f86cf58e357efaafc856 (patch) | |
| tree | 6c8a9da5a3659ea06537c0b49a84620168985fc6 /net/rds/iw_stats.c | |
| parent | forcedeth: fix unilateral interrupt disabling in netpoll path (diff) | |
| download | linux-8ce675ff39b9958d1c10f86cf58e357efaafc856.tar.xz linux-8ce675ff39b9958d1c10f86cf58e357efaafc856.zip | |
RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
Either of pskb_pull() or pskb_trim() may fail under low memory conditions.
If rds_tcp_data_recv() ignores such failures, the application will
receive corrupted data because the skb has not been correctly
carved to the RDS datagram size.
Avoid this by handling pskb_pull/pskb_trim failure in the same
manner as the skb_clone failure: bail out of rds_tcp_data_recv(), and
retry via the deferred call to rds_send_worker() that gets set up on
ENOMEM from rds_tcp_read_sock()
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/iw_stats.c')
0 files changed, 0 insertions, 0 deletions