From 99245a1a8f3ec66b5f935a4a0cafb8dd9ce2bf9f Mon Sep 17 00:00:00 2001
From: geniusgogo <xpxyr@sina.com>
Date: Fri, 29 Mar 2024 17:25:09 +0800
Subject: [PATCH] fix pin ofw variable init.

---
 components/drivers/pin/pin_ofw.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/components/drivers/pin/pin_ofw.c b/components/drivers/pin/pin_ofw.c
index e4c18b1759..29d29d4368 100644
--- a/components/drivers/pin/pin_ofw.c
+++ b/components/drivers/pin/pin_ofw.c
@@ -20,14 +20,14 @@ static const char * const gpio_suffixes[] =
 rt_ssize_t rt_ofw_get_named_pin(struct rt_ofw_node *np, const char *propname, int index,
         rt_uint8_t *out_mode, rt_uint8_t *out_value)
 {
-    rt_ssize_t pin;
+    rt_ssize_t pin = -1;
     rt_uint8_t mode;
     rt_uint8_t value;
     rt_uint32_t flags;
     char gpios_name[64];
-    struct rt_device_pin *pin_dev;
-    struct rt_ofw_node *pin_dev_np;
-    struct rt_ofw_cell_args pin_args;
+    struct rt_device_pin *pin_dev = 0;
+    struct rt_ofw_node *pin_dev_np = 0;
+    struct rt_ofw_cell_args pin_args = {0};
 
     if (!np && index < 0)
     {