RDMA/cxgb4: Fix crash when peer address is 0.0.0.0
authorThadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Thu, 17 May 2012 20:51:53 +0000 (17:51 -0300)
committerRoland Dreier <roland@purestorage.com>
Mon, 4 Jun 2012 05:59:15 +0000 (22:59 -0700)
commit71b43fd573a60972b2175df4927c4ee10d757004
tree405a41b627653697587b2286b362d40fad3e55d2
parentc23ddf7857bdb2e8001b0a058603497c765a580d
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>
drivers/infiniband/hw/cxgb4/cm.c