[PATCH v3 2/3] video: smscufx: Return an error code only as a constant in ufx_realloc_framebuffer()

From: SF Markus Elfring
Date: Sun Jan 07 2018 - 11:06:01 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 7 Jan 2018 16:07:11 +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@xxxxxxxxxxxxxxxxxxxxx>
---

v3:
This update suggestion was rebased on source files from the software
"Linux next-20180105".

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

diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
index 893daeb1ffd9..abbded605d68 100644
--- 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,
--
2.15.1