[PATCH] gpio: event-mon: Use O_RDONLY instead of 0 for open()

[2564278112]

From: Wang Jiang <jiangwang@xxxxxxxxxx>

Using explicit O_RDONLY flag for open() improves code readability
and aligns with kernel coding standards instead of using raw 0.

Signed-off-by: Wang Jiang <jiangwang@xxxxxxxxxx>
---
 tools/gpio/gpio-event-mon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
index b70813b0bf8e..590ca8db25cf 100644
--- a/tools/gpio/gpio-event-mon.c
+++ b/tools/gpio/gpio-event-mon.c
@@ -41,7 +41,7 @@ int monitor_device(const char *device_name,
 	if (ret < 0)
 		return -ENOMEM;
 
-	cfd = open(chrdev_name, 0);
+	cfd = open(chrdev_name, O_RDONLY);
 	if (cfd == -1) {
 		ret = -errno;
 		fprintf(stderr, "Failed to open %s\n", chrdev_name);
-- 
2.25.1