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AUDIT: Round up audit skb expansion to AUDIT_BUFSIZ.

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Otherwise, we will be repeatedly reallocating, even if we're only
adding a few bytes at a time. Pointed out by Steve Grubb.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2005-05-13 16:35:19 +01:00
parent add6714120
commit 9ea74f0655
1 changed files with 1 additions and 1 deletions
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kernel/audit.c
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@@ -670,7 +670,7 @@ static void audit_log_vformat(struct audit_buffer *ab, const char *fmt,
/* The printk buffer is 1024 bytes long, so if we get /* The printk buffer is 1024 bytes long, so if we get
* here and AUDIT_BUFSIZ is at least 1024, then we can * here and AUDIT_BUFSIZ is at least 1024, then we can
* log everything that printk could have logged. */ * log everything that printk could have logged. */
avail = audit_expand(ab, 1+len-avail); avail = audit_expand(ab, max_t(AUDIT_BUFSIZ, 1+len-avail));
if (!avail) if (!avail)
goto out; goto out;
len = vsnprintf(skb->tail, avail, fmt, args2); len = vsnprintf(skb->tail, avail, fmt, args2);