From: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Date: Thu, 17 May 2012 20:51:53 +0000 (-0300)
Subject: RDMA/cxgb4: Fix crash when peer address is 0.0.0.0
X-Git-Tag: v3.5-rc2~20^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71b43fd573a60972b2175df4927c4ee10d757004;p=pandora-kernel.git

RDMA/cxgb4: Fix crash when peer address is 0.0.0.0

When using rping -c -a 0.0.0.0 with iw_cxgb4, the system crashes when
rdma_connect() is called.  ip_dev_find() will return NULL, but pdev is
accessed anyway.

Checking that pdev is NULL and returning -ENODEV prevents the system
from crashing.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---

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