diff mbox

[v2,1/2] video: udlfb: Return an error code only as a constant in dlfb_realloc_framebuffer()

Message ID 632abf1e-8c40-cbd2-4bbe-5dfdf89cb95f@users.sourceforge.net (mailing list archive)
State New, archived
Headers show

Commit Message

SF Markus Elfring Jan. 7, 2018, 1:34 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 7 Jan 2018 14:02:36 +0100

* 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>
---

v2:
This update suggestion was rebased on source files from the software
"Linux next-20180105".

 drivers/video/fbdev/udlfb.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

Comments

Bartlomiej Zolnierkiewicz March 28, 2018, 1:42 p.m. UTC | #1 
On Sunday, January 07, 2018 02:34:51 PM SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 7 Jan 2018 14:02:36 +0100
> 
> * 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>

Patch queued for 4.17, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
diff mbox

Patch

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 99ce445986b3..560a6b6044a5 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1157,7 +1157,6 @@  static struct fb_ops dlfb_ops = {
  */
 static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 {
-	int retval = -ENOMEM;
 	int old_len = info->fix.smem_len;
 	int new_len;
 	unsigned char *old_fb = info->screen_base;
@@ -1175,7 +1174,7 @@  static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 		new_fb = vmalloc(new_len);
 		if (!new_fb) {
 			pr_err("Virtual framebuffer alloc failed\n");
-			goto error;
+			return -ENOMEM;
 		}
 
 		if (info->screen_base) {
@@ -1203,11 +1202,7 @@  static int dlfb_realloc_framebuffer(struct dlfb_data *dev, struct fb_info *info)
 			dev->backing_buffer = new_back;
 		}
 	}
-
-	retval = 0;
-
-error:
-	return retval;
+	return 0;
 }
 
 /*