Re: [PATCH] e2fsck: fix precedence bug in built-in quota support

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Oops. Thanks for the patch.


On Mon, May 21, 2012 at 7:09 PM, Theodore Ts'o <tytso@xxxxxxx> wrote:
> The operator precedence bug means that we might pay atteion to
> s_grp_quota_inum even if the RO_COMPAT_QUOTA feature flag is clear.
> However, fortunately, this is unlikely to happen in practice.
>
> Cc: Aditya Kali <adityakali@xxxxxxxxxx>
> Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Reviewed-by: Aditya Kali <adityakali@xxxxxxxxxx>
> ---
>  e2fsck/pass1.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c
> index c7645d1..c6aae6e 100644
> --- a/e2fsck/pass1.c
> +++ b/e2fsck/pass1.c
> @@ -928,8 +928,8 @@ void e2fsck_pass1(e2fsck_t ctx)
>                        ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
>                        if ((fs->super->s_feature_ro_compat &
>                                        EXT4_FEATURE_RO_COMPAT_QUOTA) &&
> -                           (fs->super->s_usr_quota_inum == ino) ||
> -                           (fs->super->s_grp_quota_inum == ino)) {
> +                           ((fs->super->s_usr_quota_inum == ino) ||
> +                            (fs->super->s_grp_quota_inum == ino))) {
>                                if (!LINUX_S_ISREG(inode->i_mode) &&
>                                    fix_problem(ctx, PR_1_QUOTA_BAD_MODE,
>                                                        &pctx)) {
> --
> 1.7.10.rc3
>



-- 

Aditya
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