Re: [PATCH] ext3: fix return values on parse_options() failure

From: Lukáš Czerner
Date: Tue Oct 09 2012 - 02:19:48 EST


On Tue, 9 Oct 2012, Zhao Hongjiang wrote:

> Date: Tue, 09 Oct 2012 13:48:47 +0800
> From: Zhao Hongjiang <zhaohongjiang37@xxxxxxxxx>
> To: jack@xxxxxxx
> Cc: akpm@xxxxxxxxxxxxxxxxxxxx, adilger.kernel@xxxxxxxxx,
> linux-ext4@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx,
> Eric W. Biederman <ebiederm@xxxxxxxxxxxx>, serge.hallyn@xxxxxxxxxxxxx,
> containers@xxxxxxxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH] ext3: fix return values on parse_options() failure
>
> From: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
>
> parse_options() in ext3 should return 0 when parse the mount options fails.
>

Ah, it really is a joy to read the parse_options() :). But this fix
makes sense, thanks for catching it.

Reviewed-by: Lukas Czerner <lczerner@xxxxxxxxxx>

-Lukas

> Signed-off-by: Zhao Hongjiang <zhaohongjiang@xxxxxxxxxx>
> ---
> fs/ext3/super.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ext3/super.c b/fs/ext3/super.c
> index 17ae5c8..ebf8312 100644
> --- a/fs/ext3/super.c
> +++ b/fs/ext3/super.c
> @@ -1001,7 +1001,7 @@ static int parse_options (char *options, struct super_block *sb,
> uid = make_kuid(current_user_ns(), option);
> if (!uid_valid(uid)) {
> ext3_msg(sb, KERN_ERR, "Invalid uid value %d", option);
> - return -1;
> + return 0;
>
> }
> sbi->s_resuid = uid;
> @@ -1012,7 +1012,7 @@ static int parse_options (char *options, struct super_block *sb,
> gid = make_kgid(current_user_ns(), option);
> if (!gid_valid(gid)) {
> ext3_msg(sb, KERN_ERR, "Invalid gid value %d", option);
> - return -1;
> + return 0;
> }
> sbi->s_resgid = gid;
> break;
> -- 1.7.1
> --
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