From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: [PATCH v4 09/14] RDS: IB: handle rds_ibdev release case instead of crashing the kernel Date: Wed, 7 Oct 2015 08:53:43 -0700 Message-ID: <1444233228-4481-10-git-send-email-santosh.shilimkar@oracle.com> References: <1444233228-4481-1-git-send-email-santosh.shilimkar@oracle.com> Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, ssantosh@kernel.org, Santosh Shilimkar To: netdev@vger.kernel.org Return-path: In-Reply-To: <1444233228-4481-1-git-send-email-santosh.shilimkar@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 Signed-off-by: Santosh Shilimkar --- 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 8f51d0d..2b2370e 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); -- 1.9.1