[PATCH 2/2] tools/gpio: Add missing initialization of device_name

[Geert Uytterhoeven <geert+renesas@xxxxxxxxx>]

lsgpio.c: In function ‘main’:
lsgpio.c:166:7: warning: ‘device_name’ may be used uninitialized in this functio
n [-Wmaybe-uninitialized]
   ret = list_device(device_name);
       ^

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 tools/gpio/lsgpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/gpio/lsgpio.c b/tools/gpio/lsgpio.c
index 1124da3759424fe6..eb3f56efd2158b4c 100644
--- a/tools/gpio/lsgpio.c
+++ b/tools/gpio/lsgpio.c
@@ -147,7 +147,7 @@ void print_usage(void)
 
 int main(int argc, char **argv)
 {
-	const char *device_name;
+	const char *device_name = NULL;
 	int ret;
 	int c;
 
-- 
1.9.1

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