staging: dgnc: delete successive assignments to the same location

Author: Jiayi Ye <yejiayily@gmail.com>

Successive assignments to the same location is meaningless and can be
deleted. The Coccinelle semantic patch was used to find cases.

@@
expression e1,e2,e3;
@@

(
 (<+...e1++...+>)=e2;
|
 (<+...e1--...+>)=e2;
|
 (<+...++e1...+>)=e2;
|
 (<+...--e1...+>)=e2;
|
e1=e2;
e1 = <+...e1...+>;
|
*e1=e2;
*e1=e3;
)

Signed-off-by: Jiayi Ye 
Reviewed-by: Josh Triplett 
Signed-off-by: Greg Kroah-Hartman

---
 drivers/staging/dgnc/dgnc_tty.c | 2 --
 1 file changed, 2 deletions(-)
 
diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 8384e3d..f81a375 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -2205,8 +2205,6 @@ static int dgnc_set_modem_info(struct tty_struct *tty, unsigned int command, uns
 	if (!bd || bd->magic != DGNC_BOARD_MAGIC)
 		return ret;
 
-	ret = 0;
-
 	ret = get_user(arg, value);
 	if (ret)
 		return ret;

staging: dgnc: delete successive assignments to the same location

qlambert

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