net/cxgb4: Fix referencing freed adapter
authorGavin Shan <shangw@linux.vnet.ibm.com>
Fri, 24 Jan 2014 09:12:03 +0000 (17:12 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 25 Jan 2014 00:00:37 +0000 (16:00 -0800)
commit8b662fe70c68282f78482dc272df0c4f355e49f5
tree769c0d31b2b0b5dbcd24ea8f82ece34dc3367913
parent33d99113b1102c2d2f8603b9ba72d89d915c13f5
net/cxgb4: Fix referencing freed adapter

The adapter is freed before we check its flags. It was caused
by commit 144be3d ("net/cxgb4: Avoid disabling PCI device for
towice"). The problem was reported by Intel's "0-day" tool.

The patch fixes it to avoid reverting commit 144be3d.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c