staging: fbtft: remove unused variable
Author: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
This patch removes a variable that was simply used to
store the return value of a function call before
returning it.
The issue was detected and resolved using the following
coccinelle script:
@@
identifier len,f;
@@
-int len;
... when != len
when strict
-len =
+return
f(...);
-return len;
Signed-off-by: Aya Mahfouz
Signed-off-by: Greg Kroah-Hartman
---
drivers/staging/fbtft/fbtft-core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index ac4287f..8ca4511 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -1046,7 +1046,6 @@ int fbtft_unregister_framebuffer(struct fb_info *fb_info)
{
struct fbtft_par *par = fb_info->par;
struct spi_device *spi = par->spi;
- int ret;
if (spi)
spi_set_drvdata(spi, NULL);
@@ -1055,8 +1054,7 @@ int fbtft_unregister_framebuffer(struct fb_info *fb_info)
if (par->fbtftops.unregister_backlight)
par->fbtftops.unregister_backlight(par);
fbtft_sysfs_exit(par);
- ret = unregister_framebuffer(fb_info);
- return ret;
+ return unregister_framebuffer(fb_info);
}
EXPORT_SYMBOL(fbtft_unregister_framebuffer); |
---
drivers/staging/fbtft/fbtft-core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index ac4287f..8ca4511 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -1046,7 +1046,6 @@ int fbtft_unregister_framebuffer(struct fb_info *fb_info)
{
struct fbtft_par *par = fb_info->par;
struct spi_device *spi = par->spi;
- int ret;
if (spi)
spi_set_drvdata(spi, NULL);
@@ -1055,8 +1054,7 @@ int fbtft_unregister_framebuffer(struct fb_info *fb_info)
if (par->fbtftops.unregister_backlight)
par->fbtftops.unregister_backlight(par);
fbtft_sysfs_exit(par);
- ret = unregister_framebuffer(fb_info);
- return ret;
+ return unregister_framebuffer(fb_info);
}
EXPORT_SYMBOL(fbtft_unregister_framebuffer);