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authorJan Kara <jack@suse.cz>2012-12-17 16:02:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-17 17:15:22 -0800
commit5b3d5aeaa333850756f41350fed2fc95912b2a4f (patch)
treeb4988767f7b4781596488638b59988d9ef5d5aff /fs/fat
parent58156c8fbf43e71dd091848d4dbfd780d04016e6 (diff)
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fat: ix mount option parsing
parse_options() is supposed to return value < 0 on error however we returned 0 (success) in a lot of cases. This actually was not a problem in practice because match_token() used by parse_options() is clever and catches most of the problems for us. Signed-off-by: Jan Kara <jack@suse.cz> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fat')
-rw-r--r--fs/fat/inode.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 59ac83be2d5b..3b733a730952 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -972,41 +972,41 @@ static int parse_options(struct super_block *sb, char *options, int is_vfat,
break;
case Opt_uid:
if (match_int(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->fs_uid = make_kuid(current_user_ns(), option);
if (!uid_valid(opts->fs_uid))
- return 0;
+ return -EINVAL;
break;
case Opt_gid:
if (match_int(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->fs_gid = make_kgid(current_user_ns(), option);
if (!gid_valid(opts->fs_gid))
- return 0;
+ return -EINVAL;
break;
case Opt_umask:
if (match_octal(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->fs_fmask = opts->fs_dmask = option;
break;
case Opt_dmask:
if (match_octal(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->fs_dmask = option;
break;
case Opt_fmask:
if (match_octal(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->fs_fmask = option;
break;
case Opt_allow_utime:
if (match_octal(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->allow_utime = option & (S_IWGRP | S_IWOTH);
break;
case Opt_codepage:
if (match_int(&args[0], &option))
- return 0;
+ return -EINVAL;
opts->codepage = option;
break;
case Opt_flush:
@@ -1014,9 +1014,9 @@ static int parse_options(struct super_block *sb, char *options, int is_vfat,
break;
case Opt_time_offset:
if (match_int(&args[0], &option))
- return 0;
+ return -EINVAL;
if (option < -12 * 60 || option > 12 * 60)
- return 0;
+ return -EINVAL;
opts->tz_set = 1;
opts->time_offset = option;
break;