video: smscufx: Return an error code only as a constant in ufx_realloc_framebuffer()

* 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: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
index 893daeb..abbded6 100644 (file)
--- a/drivers/video/fbdev/smscufx.c
+++ b/drivers/video/fbdev/smscufx.c
@@ -1293,7 +1293,6 @@ static struct fb_ops ufx_ops = {
  * Assumes no active clients have framebuffer open */
 static int ufx_realloc_framebuffer(struct ufx_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;
@@ -1310,7 +1309,7 @@ static int ufx_realloc_framebuffer(struct ufx_data *dev, struct fb_info *info)
                new_fb = vmalloc(new_len);
                if (!new_fb) {
                        pr_err("Virtual framebuffer alloc failed");
-                       goto error;
+                       return -ENOMEM;
                }
 
                if (info->screen_base) {
@@ -1323,11 +1322,7 @@ static int ufx_realloc_framebuffer(struct ufx_data *dev, struct fb_info *info)
                info->fix.smem_start = (unsigned long) new_fb;
                info->flags = smscufx_info_flags;
        }
-
-       retval = 0;
-
-error:
-       return retval;
+       return 0;
 }
 
 /* sets up I2C Controller for 100 Kbps, std. speed, 7-bit addr, master,