tree ea15502553b9bc73aa5de750ad99b6191bf09f35
parent 86cb13e4ec5060d94069a8418fd4f3ccb38edee2
author Alex Vesker <valex@mellanox.com> 1469450533 +0300
committer David S. Miller <davem@davemloft.net> 1469494825 -0700

net/mlx4_core: Check device state before unregistering it

Verify that the device state is registered before un-registering it.
This check is required to prevent an OOPS on flows that do
re-registration of the device and its previous state was
unregistered.

Fixes: 225c7b1feef1 ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>