sdp: protect sdp_auto_moderation from device removal

Signed-off-by: Amir Vadai <amirv@mellanox.co.il>

diff --git a/drivers/infiniband/ulp/sdp/sdp_main.c b/drivers/infiniband/ulp/sdp/sdp_main.c
index a631a2517ba49e2a1a138b07536951b0579cf7cb..6974bee7ddb49531e1310248b1240d1a0c9e2c98 100644 (file)
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -363,6 +363,9 @@ static void sdp_auto_moderation(struct sdp_sock *ssk)
        int moder_time;
        int err;
 
+       if (unlikely(!ssk->rx_ring.cq))
+               return;
+
        if (!mod->adaptive_rx_coal)
                return;