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-rw-r--r--fs/ext4/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0e829cc8a18a..4c8d31c61454 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1738,7 +1738,7 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_64BIT)) {
if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT ||
sbi->s_desc_size > EXT4_MAX_DESC_SIZE ||
- sbi->s_desc_size & (sbi->s_desc_size - 1)) {
+ !is_power_of_2(sbi->s_desc_size)) {
printk(KERN_ERR
"EXT4-fs: unsupported descriptor size %lu\n",
sbi->s_desc_size);