md: fix a trivial typo in comments

Fix a trivial typo in md_ioctl().

Signed-off-by: Wei Fang <fangwei1@huawei.com>
Signed-off-by: Shaohua Li <shli@fb.com>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index c068f171b4eb1140ed7956d8f73f6096c14961a1..32ac6faf9d6cdf9493dcc0e8b466309c8ad5f496 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6883,7 +6883,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
 
        case ADD_NEW_DISK:
                /* We can support ADD_NEW_DISK on read-only arrays
-                * on if we are re-adding a preexisting device.
+                * only if we are re-adding a preexisting device.
                 * So require mddev->pers and MD_DISK_SYNC.
                 */
                if (mddev->pers) {