igb: fix null pointer dereference seen with fiber NICs
With a fiber or serdes NIC installed the driver was causing a null pointer
dereference on driver unload.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index f23a048..cfed2b0 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1372,7 +1372,8 @@
unregister_netdev(netdev);
- if (!igb_check_reset_block(&adapter->hw))
+ if (adapter->hw.phy.ops.reset_phy &&
+ !igb_check_reset_block(&adapter->hw))
adapter->hw.phy.ops.reset_phy(&adapter->hw);
igb_remove_device(&adapter->hw);