From mboxrd@z Thu Jan 1 00:00:00 1970 From: mpa@pengutronix.de (Markus Pargmann) Date: Fri, 17 Jul 2015 11:32:42 +0200 Subject: [PATCH 1/9] gpiolib: Fix possible use of wrong name In-Reply-To: <1437125570-28623-1-git-send-email-mpa@pengutronix.de> References: <1437125570-28623-1-git-send-email-mpa@pengutronix.de> Message-ID: <1437125570-28623-2-git-send-email-mpa@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The name is set optionally from DT. Therefore we need to reset the name variable for every loop iteration. Otherwise we could use a wrong or uninitialized name. Signed-off-by: Markus Pargmann --- drivers/gpio/gpiolib-of.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 9a0ec48a4737..60aebe4d7c26 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -209,11 +209,11 @@ static void of_gpiochip_scan_hogs(struct gpio_chip *chip) { struct gpio_desc *desc = NULL; struct device_node *np; - const char *name; enum gpio_lookup_flags lflags; enum gpiod_flags dflags; for_each_child_of_node(chip->of_node, np) { + const char *name = NULL; if (!of_property_read_bool(np, "gpio-hog")) continue; -- 2.1.4