diff mbox series

[v3,04/13] video: fbdev: uvesafb: Fix set but not used warning

Message ID 20201206190247.1861316-5-sam@ravnborg.org (mailing list archive)
State New, archived
Headers show
Series drivers/video: W=1 warning fixes | expand

Commit Message

Sam Ravnborg Dec. 6, 2020, 7:02 p.m. UTC
Fix W=1 warning by deleting unused local variable.

v2:
  - Updated subject (Lee)

v3:
  - Return early in case of an error (Thomas)

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Michal Januszewski <spock@gentoo.org>
Cc: linux-fbdev@vger.kernel.org
Cc: Lee Jones <lee.jones@linaro.org>
---
 drivers/video/fbdev/uvesafb.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Thomas Zimmermann Dec. 7, 2020, 8:18 a.m. UTC | #1
Am 06.12.20 um 20:02 schrieb Sam Ravnborg:
> Fix W=1 warning by deleting unused local variable.
> 
> v2:
>    - Updated subject (Lee)
> 
> v3:
>    - Return early in case of an error (Thomas)
> 
> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
> Cc: Michal Januszewski <spock@gentoo.org>
> Cc: linux-fbdev@vger.kernel.org
> Cc: Lee Jones <lee.jones@linaro.org>

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/video/fbdev/uvesafb.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
> index 6c9cfab39313..4df6772802d7 100644
> --- a/drivers/video/fbdev/uvesafb.c
> +++ b/drivers/video/fbdev/uvesafb.c
> @@ -560,6 +560,8 @@ static int uvesafb_vbe_getpmi(struct uvesafb_ktask *task,
>   	task->t.regs.eax = 0x4f0a;
>   	task->t.regs.ebx = 0x0;
>   	err = uvesafb_exec(task);
> +	if (err)
> +		return err;
>   
>   	if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) {
>   		par->pmi_setpal = par->ypan = 0;
>
diff mbox series

Patch

diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 6c9cfab39313..4df6772802d7 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -560,6 +560,8 @@  static int uvesafb_vbe_getpmi(struct uvesafb_ktask *task,
 	task->t.regs.eax = 0x4f0a;
 	task->t.regs.ebx = 0x0;
 	err = uvesafb_exec(task);
+	if (err)
+		return err;
 
 	if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) {
 		par->pmi_setpal = par->ypan = 0;