From: Olliver Schinagl <[email protected]> gpiolib uses a fixed string for the suffixes and defines it at 32 bytes. Later in the code snprintf is used with this fixed value of 32. Using sizeof() is safer in case the size for the suffixes is ever changed.
Signed-off-by: Olliver Schinagl <[email protected]> --- drivers/gpio/gpiolib.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index c926641..bf6016d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1665,9 +1665,11 @@ static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, for (i = 0; i < ARRAY_SIZE(suffixes); i++) { if (con_id) - snprintf(prop_name, 32, "%s-%s", con_id, suffixes[i]); + snprintf(prop_name, sizeof(prop_name), "%s-%s", con_id, + suffixes[i]); else - snprintf(prop_name, 32, "%s", suffixes[i]); + snprintf(prop_name, sizeof(prop_name), "%s", + suffixes[i]); desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx, &of_flags); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
