diff options
| -rw-r--r-- | fs/fat/inode.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 6aece96df19f..3ac9078fde65 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1146,7 +1146,12 @@ static int parse_options(struct super_block *sb, char *options, int is_vfat, case Opt_time_offset: if (match_int(&args[0], &option)) return -EINVAL; - if (option < -12 * 60 || option > 12 * 60) + /* + * GMT+-12 zones may have DST corrections so at least + * 13 hours difference is needed. Make the limit 24 + * just in case someone invents something unusual. + */ + if (option < -24 * 60 || option > 24 * 60) return -EINVAL; opts->tz_set = 1; opts->time_offset = option; |