acassis commented on a change in pull request #4774:
URL: https://github.com/apache/incubator-nuttx/pull/4774#discussion_r746978316
##########
File path: drivers/ioexpander/gpio.c
##########
@@ -511,20 +511,14 @@ static int gpio_ioctl(FAR struct file *filep, int cmd,
unsigned long arg)
* Name: gpio_pin_register
*
* Description:
- * Register GPIO pin device driver.
- *
- * - Input pin types will be registered at /dev/gpinN
- * - Output pin types will be registered at /dev/gpoutN
- * - Interrupt pin types will be registered at /dev/gpintN
- *
- * Where N is the provided minor number in the range of 0-99.
+ * Register GPIO pin device driver at /dev/gpioN, where N is the provided
+ * minor number in the range of 0-99.
*
****************************************************************************/
int gpio_pin_register(FAR struct gpio_dev_s *dev, int minor)
{
- FAR const char *fmt;
- char devname[32];
+ char devname[16];
Review comment:
I think the right size (including \0) is 20
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