commit 8ef2d3040e5cf38f7d64a408038f576b4a5ec987
author Amy Griffis <amy.griffis@hp.com> Thu Sep 07 17:03:02 2006 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Mon Sep 11 13:32:17 2006 -0400
tree def11d400d2262e104cb1c64a953276794d8c9a8
parent 3b33ac3182a4554742757a0c61ee1df162cf8225

[PATCH] sanity check audit_buffer

Add sanity checks for NULL audit_buffer consistent with other
audit_log* routines.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

kernel/audit.c

diff --git a/kernel/audit.c b/kernel/audit.c
index 0a36091..963fd15 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1028,6 +1028,9 @@
 	struct sk_buff *skb;
 	static const unsigned char *hex = "0123456789ABCDEF";
 
+	if (!ab)
+		return;
+
 	BUG_ON(!ab->skb);
 	skb = ab->skb;
 	avail = skb_tailroom(skb);
@@ -1060,6 +1063,9 @@
 	unsigned char *ptr;
 	struct sk_buff *skb;
 
+	if (!ab)
+		return;
+
 	BUG_ON(!ab->skb);
 	skb = ab->skb;
 	avail = skb_tailroom(skb);