[PATCH] zram: remove redundant NULL check

[Abaci Team]

Fix below warnings reported by coccicheck:
./drivers/block/zram/zram_drv.c:534:2-8: WARNING: NULL check before some
freeing functions is not needed.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Suggested-by: Yang Li <oswb@xxxxxxxxxxxxxxxxx>
Signed-off-by: Abaci Team <abaci-bugfix@xxxxxxxxxxxxxxxxx>
---
 drivers/block/zram/zram_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index e2933cb..92739b9 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -530,8 +530,7 @@ static ssize_t backing_dev_store(struct device *dev,
 
 	return len;
 out:
-	if (bitmap)
-		kvfree(bitmap);
+	kvfree(bitmap);
 
 	if (bdev)
 		blkdev_put(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
-- 
1.8.3.1