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| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-10 18:56:08 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-05-10 18:56:08 +0100 |
| commit | e3b926b4c1499ba7b1b9513aa6113944d572aba5 (patch) | |
| tree | 6d4a230f3c02ebfd5073517fe8eb36f9a61dad22 /kernel/audit.c | |
| parent | 8c5aa40c94ef8bb7f7da95ecd5942e2d20fc3c9d (diff) | |
| download | lwn-e3b926b4c1499ba7b1b9513aa6113944d572aba5.tar.gz lwn-e3b926b4c1499ba7b1b9513aa6113944d572aba5.zip | |
AUDIT: pass size argument to audit_expand().
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>
Diffstat (limited to 'kernel/audit.c')
| -rw-r--r-- | kernel/audit.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 2ddd1a2b66d0..1dd456c90ae5 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -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); |