From: Eldad Zinger <eldadz@mellanox.co.il>
Date: Sun, 18 Apr 2010 11:34:33 +0000 (+0300)
Subject: sdp: fix for brutal device removing
X-Git-Tag: v4.1.12-92~264^2~5^2~197
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4d778ab5cd7b57274ac69f6e7f73b263c212ff46;p=users%2Fjedix%2Flinux-maple.git

sdp: fix for brutal device removing

Kernel always crashed in the following test case:
user program:	socket+bind+listen+accept. socket accpted.
shell:		rmmod mlx4_ib
user program:	close <<< CRASH
The fix closes any socket that its ib_device is the device being removed.

Signed-off-by: Eldad Zinger <eldadz@mellanox.co.il>
---

diff --git a/drivers/infiniband/ulp/sdp/sdp_main.c b/drivers/infiniband/ulp/sdp/sdp_main.c
index 27a563cf9d905..4aca949bfeeaa 100644
--- a/drivers/infiniband/ulp/sdp/sdp_main.c
+++ b/drivers/infiniband/ulp/sdp/sdp_main.c
@@ -2715,6 +2715,8 @@ kill_socks:
 
 			sk->sk_shutdown |= RCV_SHUTDOWN;
 			sdp_reset(sk);
+			sdp_close(sk,0);
+
 			if ((1 << sk->sk_state) &
 				(TCPF_FIN_WAIT1 | TCPF_CLOSE_WAIT |
 				 TCPF_LAST_ACK | TCPF_TIME_WAIT)) {