diff options
| -rw-r--r-- | fs/jfs/super.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c index d1096fed5a62..adf8cb045b9e 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -272,7 +272,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_resize: { char *resize = args[0].from; - *newLVSize = simple_strtoull(resize, &resize, 0); + int rc = kstrtoll(resize, 0, newLVSize); + + if (rc) + goto cleanup; break; } case Opt_resize_nosize: @@ -326,7 +329,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_uid: { char *uid = args[0].from; - uid_t val = simple_strtoul(uid, &uid, 0); + uid_t val; + int rc = kstrtouint(uid, 0, &val); + + if (rc) + goto cleanup; sbi->uid = make_kuid(current_user_ns(), val); if (!uid_valid(sbi->uid)) goto cleanup; @@ -336,7 +343,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_gid: { char *gid = args[0].from; - gid_t val = simple_strtoul(gid, &gid, 0); + gid_t val; + int rc = kstrtouint(gid, 0, &val); + + if (rc) + goto cleanup; sbi->gid = make_kgid(current_user_ns(), val); if (!gid_valid(sbi->gid)) goto cleanup; @@ -346,7 +357,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_umask: { char *umask = args[0].from; - sbi->umask = simple_strtoul(umask, &umask, 8); + int rc = kstrtouint(umask, 8, &sbi->umask); + + if (rc) + goto cleanup; if (sbi->umask & ~0777) { pr_err("JFS: Invalid value of umask\n"); goto cleanup; @@ -377,13 +391,15 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, { struct request_queue *q = bdev_get_queue(sb->s_bdev); char *minblks_trim = args[0].from; + int rc; if (blk_queue_discard(q)) { *flag |= JFS_DISCARD; - sbi->minblks_trim = simple_strtoull( - minblks_trim, &minblks_trim, 0); - } else { + rc = kstrtouint(minblks_trim, 0, + &sbi->minblks_trim); + if (rc) + goto cleanup; + } else pr_err("JFS: discard option not supported on device\n"); - } break; } |