diff options
| -rw-r--r-- | fs/ext4/super.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9b36c11..b68f4b6 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1555,11 +1555,10 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, } else if (token == Opt_min_batch_time) { sbi->s_min_batch_time = arg; } else if (token == Opt_inode_readahead_blks) { - if (arg > (1 << 30)) - return -1; - if (arg && !is_power_of_2(arg)) { - ext4_msg(sb, KERN_ERR, "EXT4-fs: inode_readahead_blks" - " must be a power of 2"); + if (arg && (arg > (1 << 30) || !is_power_of_2(arg))) { + ext4_msg(sb, KERN_ERR, + "EXT4-fs: inode_readahead_blks must be " + "0 or a power of 2 smaller than 2^31"); return -1; } sbi->s_inode_readahead_blks = arg; |