ext4: do not use stripe_width if it is not set

Avoid using stripe_width for sbi->s_stripe value if it is not actually
set. It prevents using the stride for sbi->s_stripe.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3db5b6491513..dde14a7ac6d7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2637,9 +2637,9 @@ static unsigned long ext4_get_stripe_size(struct ext4_sb_info *sbi)
 
         if (sbi->s_stripe && sbi->s_stripe <= sbi->s_blocks_per_group)
                 ret = sbi->s_stripe;
-        else if (stripe_width <= sbi->s_blocks_per_group)
+        else if (stripe_width && stripe_width <= sbi->s_blocks_per_group)
                 ret = stripe_width;
-        else if (stride <= sbi->s_blocks_per_group)
+        else if (stride && stride <= sbi->s_blocks_per_group)
                 ret = stride;
         else
                 ret = 0;