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Message-ID: <alpine.LNX.2.00.1012241922050.28973@swampdragon.chaosbits.net>
Date:	Fri, 24 Dec 2010 19:25:37 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	linux-kernel@...r.kernel.org
cc:	"Rickard E. (Rik) Faith" <faith@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Eric Paris <eparis@...hat.com>
Subject: [PATCH] auditing: Always follow va_copy() with va_end()

Hi,

A call to va_copy() should always be followed by a call to va_end() in the 
same function. In kernel/autit.c::audit_log_vformat() this is not always 
done. This patch makes sure va_end() is always called.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
---
 audit.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 77770a0..d86027c 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1255,12 +1255,13 @@ static void audit_log_vformat(struct audit_buffer *ab, const char *fmt,
 		avail = audit_expand(ab,
 			max_t(unsigned, AUDIT_BUFSIZ, 1+len-avail));
 		if (!avail)
-			goto out;
+			goto out_va_end;
 		len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args2);
 	}
-	va_end(args2);
 	if (len > 0)
 		skb_put(skb, len);
+out_va_end:
+	va_end(args2);
 out:
 	return;
 }



-- 
Jesper Juhl <jj@...osbits.net>            http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please.

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