there is an unexpected word 'a' in the comments that need to be dropped

file - drivers/mtd/ubi/wl.c
line - 379

* This function returns a a wear leveling entry in case of success and

changed to:

* This function returns a wear leveling entry in case of success and

Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
---
 drivers/mtd/ubi/wl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 55bae06cf408..f1fa78c1391b 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -376,7 +376,7 @@ static struct ubi_wl_entry *find_mean_wl_entry(struct ubi_device *ubi,
  * refill_wl_user_pool().
  * @ubi: UBI device description object
  *
- * This function returns a a wear leveling entry in case of success and
+ * This function returns a wear leveling entry in case of success and
  * NULL in case of failure.
  */
 static struct ubi_wl_entry *wl_get_wle(struct ubi_device *ubi)
-- 
2.17.1