[PATCH -next] ubi: remove unused variable 'err'

[YueHaibing]

drivers/mtd/ubi/debug.c:512:6: warning: unused variable 'err' [-Wunused-variable]

commit 3427dd213259 ("mtd: no need to check return value
of debugfs_create functions") leave this variable not used.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/mtd/ubi/debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index f8d3752..8dba1b5 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -509,7 +509,7 @@ static const struct file_operations eraseblk_count_fops = {
  */
 int ubi_debugfs_init_dev(struct ubi_device *ubi)
 {
-	int err, n;
+	int n;
 	unsigned long ubi_num = ubi->ubi_num;
 	struct ubi_debug_info *d = &ubi->dbg;
 
-- 
2.7.4