greenhills: fix the pointless comparison build warning

"ioexpander/gpio.c", line 529: warning #186-D: pointless comparison of unsigned integer with zero if (pintype < GPIO_INPUT_PIN || pintype >= GPIO_NPINTYPES) ^ Signed-off-by: guoshichao <[email protected]>
PX4 · Aug 27, 2024 · 599d41d · 599d41d
1 parent 2cc9221
commit 599d41d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/ioexpander/gpio.c b/drivers/ioexpander/gpio.c
@@ -464,7 +464,7 @@ static int gpio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 
           /* Check if the argument is a valid pintype */
 
-          if (pintype < GPIO_INPUT_PIN || pintype >= GPIO_NPINTYPES)
+          if (pintype >= GPIO_NPINTYPES)
             {
               ret = -EINVAL;
               break;