diff mbox series

serial: kgdb_nmi: remove redundant initialization of variable c

Message ID 20210513230224.138859-1-colin.king@canonical.com
State New
Headers show
Series serial: kgdb_nmi: remove redundant initialization of variable c | expand

Commit Message

Colin King May 13, 2021, 11:02 p.m. UTC
From: Colin Ian King <colin.king@canonical.com>

The variable c is being initialized with a value that is never
read, it is being updated later on. The assignment is redundant and
can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/tty/serial/kgdb_nmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jiri Slaby May 14, 2021, 6:51 a.m. UTC | #1
On 14. 05. 21, 1:02, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>

> 

> The variable c is being initialized with a value that is never

> read, it is being updated later on. The assignment is redundant and

> can be removed.

> 

> Addresses-Coverity: ("Unused value")

> Signed-off-by: Colin Ian King <colin.king@canonical.com>


Reviewed-by: Jiri Slaby <jirislaby@kernel.org>


> ---

>   drivers/tty/serial/kgdb_nmi.c | 2 +-

>   1 file changed, 1 insertion(+), 1 deletion(-)

> 

> diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c

> index db059b66438e..7e07ee915f3f 100644

> --- a/drivers/tty/serial/kgdb_nmi.c

> +++ b/drivers/tty/serial/kgdb_nmi.c

> @@ -115,7 +115,7 @@ static void kgdb_tty_recv(int ch)

>   static int kgdb_nmi_poll_one_knock(void)

>   {

>   	static int n;

> -	int c = -1;

> +	int c;

>   	const char *magic = kgdb_nmi_magic;

>   	size_t m = strlen(magic);

>   	bool printch = false;

> 



-- 
js
suse labs
diff mbox series

Patch

diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c
index db059b66438e..7e07ee915f3f 100644
--- a/drivers/tty/serial/kgdb_nmi.c
+++ b/drivers/tty/serial/kgdb_nmi.c
@@ -115,7 +115,7 @@  static void kgdb_tty_recv(int ch)
 static int kgdb_nmi_poll_one_knock(void)
 {
 	static int n;
-	int c = -1;
+	int c;
 	const char *magic = kgdb_nmi_magic;
 	size_t m = strlen(magic);
 	bool printch = false;