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AUDIT: pass size argument to audit_expand().

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Let audit_expand() know how much it's expected to grow the buffer, in 
the case that we have that information to hand.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2005-05-10 18:56:08 +01:00
parent 8c5aa40c94
commit e3b926b4c1
1 changed files with 4 additions and 4 deletions
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8
kernel/audit.c
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@ -687,10 +687,10 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx)
* Returns 0 (no space) on failed expansion, or available space if
* successful.
*/
static inline int audit_expand(struct audit_buffer *ab)
static inline int audit_expand(struct audit_buffer *ab, int extra)
{
struct sk_buff *skb = ab->skb;
int ret = pskb_expand_head(skb, skb_headroom(skb), AUDIT_BUFSIZ,
int ret = pskb_expand_head(skb, skb_headroom(skb), extra,
GFP_ATOMIC);
if (ret < 0) {
audit_log_lost("out of memory in audit_expand");
@ -716,7 +716,7 @@ static void audit_log_vformat(struct audit_buffer *ab, const char *fmt,
skb = ab->skb;
avail = skb_tailroom(skb);
if (avail == 0) {
avail = audit_expand(ab);
avail = audit_expand(ab, AUDIT_BUFSIZ);
if (!avail)
goto out;
}
@ -725,7 +725,7 @@ static void audit_log_vformat(struct audit_buffer *ab, const char *fmt,
/* The printk buffer is 1024 bytes long, so if we get
* here and AUDIT_BUFSIZ is at least 1024, then we can
* log everything that printk could have logged. */
avail = audit_expand(ab);
avail = audit_expand(ab, 1+len-avail);
if (!avail)
goto out;
len = vsnprintf(skb->tail, avail, fmt, args);