From: Edward Shishkin <edward.shishkin@gmail.com>
To: Jesper Juhl <jj@chaosbits.net>
Cc: reiserfs-devel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] reiserfs: Make sure va_end() is always called after va_start().
Date: Fri, 24 Dec 2010 23:22:11 +0100 [thread overview]
Message-ID: <4D151D13.4060802@gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1012241933390.28973@swampdragon.chaosbits.net>
Jesper Juhl wrote:
> Greetings,
>
> A call to va_start() must always be followed by a call to va_end() in the
> same function. In fs/reiserfs/prints.c::print_block() this is not always
> the case. If 'bh' is NULL we'll return without calling va_end().
> One could add a call to va_end() before the 'return' statement, but it's
> nicer to just move the call to va_start() after the test for 'bh' being
> NULL.
>
> Signed-off-by: Jesper Juhl <jj@chaosbits.net>
>
Acked-by: Edward Shishkin <edward.shishkin@gmail.com>
> ---
> prints.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/reiserfs/prints.c b/fs/reiserfs/prints.c
> index adbc6f5..45de98b 100644
> --- a/fs/reiserfs/prints.c
> +++ b/fs/reiserfs/prints.c
> @@ -586,13 +586,13 @@ void print_block(struct buffer_head *bh, ...) //int print_mode, int first, int l
> va_list args;
> int mode, first, last;
>
> - va_start(args, bh);
> -
> if (!bh) {
> printk("print_block: buffer is NULL\n");
> return;
> }
>
> + va_start(args, bh);
> +
> mode = va_arg(args, int);
> first = va_arg(args, int);
> last = va_arg(args, int);
>
>
>
>
prev parent reply other threads:[~2010-12-24 22:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-24 18:37 [PATCH] reiserfs: Make sure va_end() is always called after va_start() Jesper Juhl
2010-12-24 22:22 ` Edward Shishkin [this message]
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