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* [2.6 patch] net/8021q/vlanproc.c: fix check-after-use
@ 2007-08-14 21:22 Adrian Bunk
  2007-08-15  0:39 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Adrian Bunk @ 2007-08-14 21:22 UTC (permalink / raw)
  To: netdev; +Cc: linux-kernel

The Coverity checker spotted that we'd have already oops'ed if "vlandev"
was NULL.

Signed-off-by: Adrian Bunk <bunk@kernel.org>

---
--- linux-2.6.23-rc1-mm2/net/8021q/vlanproc.c.old	2007-08-08 06:22:40.000000000 +0200
+++ linux-2.6.23-rc1-mm2/net/8021q/vlanproc.c	2007-08-08 06:23:13.000000000 +0200
@@ -314,17 +314,17 @@
 static int vlandev_seq_show(struct seq_file *seq, void *offset)
 {
 	struct net_device *vlandev = (struct net_device *) seq->private;
 	const struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev);
 	struct net_device_stats *stats;
 	static const char fmt[] = "%30s %12lu\n";
 	int i;
 
-	if ((vlandev == NULL) || (!(vlandev->priv_flags & IFF_802_1Q_VLAN)))
+	if (!(vlandev->priv_flags & IFF_802_1Q_VLAN))
 		return 0;
 
 	seq_printf(seq, "%s  VID: %d	 REORDER_HDR: %i  dev->priv_flags: %hx\n",
 		       vlandev->name, dev_info->vlan_id,
 		       (int)(dev_info->flags & 1), vlandev->priv_flags);
 
 
 	stats = vlan_dev_get_stats(vlandev);


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [2.6 patch] net/8021q/vlanproc.c: fix check-after-use
  2007-08-14 21:22 [2.6 patch] net/8021q/vlanproc.c: fix check-after-use Adrian Bunk
@ 2007-08-15  0:39 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2007-08-15  0:39 UTC (permalink / raw)
  To: bunk; +Cc: netdev, linux-kernel

From: Adrian Bunk <bunk@kernel.org>
Date: Tue, 14 Aug 2007 23:22:44 +0200

> The Coverity checker spotted that we'd have already oops'ed if "vlandev"
> was NULL.
> 
> Signed-off-by: Adrian Bunk <bunk@kernel.org>

Fair enough, applied, thanks Adrian.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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