From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752393AbbJESAh (ORCPT ); Mon, 5 Oct 2015 14:00:37 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:44806 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751956AbbJER4y (ORCPT ); Mon, 5 Oct 2015 13:56:54 -0400 From: Santosh Shilimkar To: netdev@vger.kernel.org Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, ssantosh@kernel.org, Santosh Shilimkar Subject: [PATCH v3 09/14] RDS: IB: handle rds_ibdev release case instead of crashing the kernel Date: Mon, 5 Oct 2015 10:56:32 -0700 Message-Id: <1444067797-14101-10-git-send-email-santosh.shilimkar@oracle.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444067797-14101-1-git-send-email-santosh.shilimkar@oracle.com> References: <1444067797-14101-1-git-send-email-santosh.shilimkar@oracle.com> X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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