[PATCH] drivers/misc: Remove unneeded variable in st_tty_open

[zhong jiang]

st_tty_open do not need local variable to store different value,
Hence just remove it.

Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
 drivers/misc/ti-st/st_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index 7d9e23a..2ae9948 100644
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -708,7 +708,6 @@ long st_write(struct sk_buff *skb)
  */
 static int st_tty_open(struct tty_struct *tty)
 {
-       int err = 0;
        struct st_data_s *st_gdata;
        pr_info("%s ", __func__);
 
@@ -731,7 +730,8 @@ static int st_tty_open(struct tty_struct *tty)
         */
        st_kim_complete(st_gdata->kim_data);
        pr_debug("done %s", __func__);
-       return err;
+
+       return 0;
 }
 
 static void st_tty_close(struct tty_struct *tty)
-- 
1.7.12.4