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video: udlfb: Return an error code only as a constant in dlfb_realloc_framebuffer()

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* Return an error code without storing it in an intermediate variable.

* Delete the label "error" and local variable "retval"
  which became unnecessary with this refactoring.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
This commit is contained in:
Markus Elfring 2018-03-28 16:34:27 +02:00 committed by Bartlomiej Zolnierkiewicz
parent b78f8ca82b
commit 3c097b069b
1 changed files with 2 additions and 7 deletions
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9
drivers/video/fbdev/udlfb.c
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@ -1135,7 +1135,6 @@ static struct fb_ops dlfb_ops = {
*/
static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info)
{
int retval = -ENOMEM;
int old_len = info->fix.smem_len;
int new_len;
unsigned char *old_fb = info->screen_base;
@ -1151,7 +1150,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info
new_fb = vmalloc(new_len);
if (!new_fb) {
dev_err(info->dev, "Virtual framebuffer alloc failed\n");
goto error;
return -ENOMEM;
}
if (info->screen_base) {
@ -1180,11 +1179,7 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info
dlfb->backing_buffer = new_back;
}
}
retval = 0;
error:
return retval;
return 0;
}
/*