My static checker complains that "arg" can be negative. That does seem
possible. I don't know if it causes an issue at run time but it seems
safest to allow negatives.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
fs/ext4/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 60da0a6e4d86..4e0845708c52 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1838,7 +1838,7 @@ 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 && (arg > (1 << 30) || !is_power_of_2(arg))) {
+ if (arg && (arg > (1U << 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");
--
2.17.1
