netdev - [net-next-2.6 PATCH 3/9] vxge: check for card status before continuing in device close

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Date:	Thu, 2 Jul 2009 03:14:03 -0400 (EDT)
From:	Sreenivasa Honnur <Sreenivasa.Honnur@...erion.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, support@...erion.com
Subject: [net-next-2.6 PATCH 3/9] 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@...erion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@...erion.com>
---
diff -urpN patch_2/drivers/net/vxge/vxge-main.c patch_3/drivers/net/vxge/vxge-main.c
--- patch_2/drivers/net/vxge/vxge-main.c	2009-06-21 23:43:43.000000000 -0700
+++ patch_3/drivers/net/vxge/vxge-main.c	2009-06-21 23:50:01.000000000 -0700
@@ -2890,6 +2890,9 @@ int do_vxge_close(struct net_device *dev
 	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))

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