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List: linux-rdma
Subject: [PATCH v2 09/14] RDS: IB: handle rds_ibdev release case instead of crashing the kernel
From: Santosh Shilimkar <santosh.shilimkar () oracle ! com>
Date: 2015-09-30 17:24:28
Message-ID: 1443633873-13359-10-git-send-email-santosh.shilimkar () oracle ! com
[Download RAW message or body]
From: Santosh Shilimkar <ssantosh@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 <ssantosh@kernel.org>
---
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
--
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