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RDS: IB: handle rds_ibdev release case instead of crashing the kernel

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Just in case we are still handling the QP receive completion while the
rds_ibdev is released, drop the connection instead of crashing the kernel.

Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
This commit is contained in:
Santosh Shilimkar 2015-09-19 14:01:09 -04:00
parent 0c28c04500
commit 9441c973e1
1 changed files with 2 additions and 1 deletions
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3
net/rds/ib_cm.c
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@ -285,7 +285,8 @@ static void rds_ib_tasklet_fn_recv(unsigned long data)
struct rds_ib_device *rds_ibdev = ic->rds_ibdev;
struct rds_ib_ack_state state;
BUG_ON(!rds_ibdev);
if (!rds_ibdev)
rds_conn_drop(conn);
rds_ib_stats_inc(s_ib_tasklet_call);