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>
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3db5b64..dde14a7 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;
