* [PATCH linux-next] USB: serial: keyspan_pda: remove the unneeded result variable
@ 2022-09-12 10:37 cgel.zte
2022-09-12 14:08 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: cgel.zte @ 2022-09-12 10:37 UTC (permalink / raw)
To: balbi; +Cc: linux-usb, linux-kernel, Xu Panda, Zeal Robot
From: Xu Panda <xu.panda@zte.com.cn>
Return the usb_control_msg() directly instead of storing it in
another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
---
drivers/usb/serial/keyspan_pda.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 6fd15cd9e1eb..902675ac7f5c 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -393,12 +393,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
static int keyspan_pda_set_modem_info(struct usb_serial *serial,
unsigned char value)
{
- int rc;
- rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- 3, /* set pins */
- USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_OUT,
- value, 0, NULL, 0, 2000);
- return rc;
+ return usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ 3, /* set pins */
+ USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_OUT,
+ value, 0, NULL, 0, 2000);
}
static int keyspan_pda_tiocmget(struct tty_struct *tty)
--
2.15.2
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH linux-next] USB: serial: keyspan_pda: remove the unneeded result variable
2022-09-12 10:37 [PATCH linux-next] USB: serial: keyspan_pda: remove the unneeded result variable cgel.zte
@ 2022-09-12 14:08 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2022-09-12 14:08 UTC (permalink / raw)
To: cgel.zte; +Cc: balbi, linux-usb, linux-kernel, Xu Panda, Zeal Robot
On Mon, Sep 12, 2022 at 10:37:01AM +0000, cgel.zte@gmail.com wrote:
> From: Xu Panda <xu.panda@zte.com.cn>
>
> Return the usb_control_msg() directly instead of storing it in
> another redundant variable.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
> ---
> drivers/usb/serial/keyspan_pda.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
> index 6fd15cd9e1eb..902675ac7f5c 100644
> --- a/drivers/usb/serial/keyspan_pda.c
> +++ b/drivers/usb/serial/keyspan_pda.c
> @@ -393,12 +393,10 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
> static int keyspan_pda_set_modem_info(struct usb_serial *serial,
> unsigned char value)
> {
> - int rc;
> - rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
> - 3, /* set pins */
> - USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_OUT,
> - value, 0, NULL, 0, 2000);
> - return rc;
> + return usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
> + 3, /* set pins */
> + USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_OUT,
> + value, 0, NULL, 0, 2000);
> }
Again, incorrect use of the usb_control_msg() return value.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-09-12 10:37 [PATCH linux-next] USB: serial: keyspan_pda: remove the unneeded result variable cgel.zte
2022-09-12 14:08 ` Greg KH
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