vxge: check for card status before continuing in device close

- Fixed the crash in rmmod after vpath open failed when trying to change mtu.
We should check for card status before continuing in device close.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index fa4dbc89e27..dd2add1d756 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -2890,6 +2890,9 @@ int do_vxge_close(struct net_device *dev, int do_io)
         vdev = (struct vxgedev *)netdev_priv(dev);
         hldev = (struct __vxge_hw_device *) pci_get_drvdata(vdev->pdev);
 
+        if (unlikely(!is_vxge_card_up(vdev)))
+                return 0;
+
         /* If vxge_handle_crit_err task is executing,
          * wait till it completes. */
         while (test_and_set_bit(__VXGE_STATE_RESET_CARD, &vdev->state))