From 9441c973e1e0e9885537a3a86020fe8e121e9a98 Mon Sep 17 00:00:00 2001 From: Santosh Shilimkar <santosh.shilimkar@oracle.com> Date: Sat, 19 Sep 2015 14:01:09 -0400 Subject: [PATCH] RDS: IB: handle rds_ibdev release case instead of crashing the kernel 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> --- net/rds/ib_cm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index 8f51d0d26578e..2b2370e7f356f 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -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);