md/bitmap: fix wrong cleanup
if bitmap_create fails, the bitmap is already cleaned up and the returned value
is an error number. We can't do the cleanup again.
Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Shaohua Li <shli@fb.com>
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 13041ee..2d82692 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1903,10 +1903,8 @@
struct bitmap_counts *counts;
struct bitmap *bitmap = bitmap_create(mddev, slot);
- if (IS_ERR(bitmap)) {
- bitmap_free(bitmap);
+ if (IS_ERR(bitmap))
return PTR_ERR(bitmap);
- }
rv = bitmap_init_from_disk(bitmap, 0);
if (rv)