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[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>
This commit is contained in:
Amy Griffis 2006-09-07 17:03:02 -04:00 committed by Al Viro
parent 3b33ac3182
commit 8ef2d3040e
1 changed files with 6 additions and 0 deletions
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6
kernel/audit.c
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@ -1028,6 +1028,9 @@ void audit_log_hex(struct audit_buffer *ab, const unsigned char *buf,
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 @@ static void audit_log_n_string(struct audit_buffer *ab, size_t slen,
unsigned char *ptr;
struct sk_buff *skb;
if (!ab)
return;
BUG_ON(!ab->skb);
skb = ab->skb;
avail = skb_tailroom(skb);