while compiling with make W=1 (gcc gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8))
found the following warning
drivers/video/backlight/adp5520_bl.c: In function ‘adp5520_show’:
drivers/video/backlight/adp5520_bl.c:146:6: warning: variable ‘error’ set but not used [-Wunused-but-set-variable]
fixed by removing the variable
Cc: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Devendra Naga <devendra.aaru@xxxxxxxxx>
---
drivers/video/backlight/adp5520_bl.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index a1e41d4..9f8b20b 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -143,11 +143,10 @@ static int adp5520_bl_setup(struct backlight_device *bl)
static ssize_t adp5520_show(struct device *dev, char *buf, int reg)
{
struct adp5520_bl *data = dev_get_drvdata(dev);
- int error;
uint8_t reg_val;
mutex_lock(&data->lock);
- error = adp5520_read(data->master, reg, ®_val);
+ adp5520_read(data->master, reg, ®_val);
mutex_unlock(&data->lock);
return sprintf(buf, "%u\n", reg_val);
--
1.8.1.2
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