From e0a27badde20868cf3a5b4a44305b90af00e4f3f Mon Sep 17 00:00:00 2001
From: Joker2770 <1214220480@qq.com>
Date: Mon, 28 Jun 2021 09:33:29 +0800
Subject: [PATCH] perf: assign '-1' to uninitialized variable: ret

Signed-off-by: Joker2770 <1214220480@qq.com>
---
 drivers/char/random/src/random_hw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/random/src/random_hw.c b/drivers/char/random/src/random_hw.c
index ffaa495a..a290a586 100644
--- a/drivers/char/random/src/random_hw.c
+++ b/drivers/char/random/src/random_hw.c
@@ -65,7 +65,7 @@ static int RandomHwClose(struct file *filep)
 
 static int RandomHwIoctl(struct file *filep, int cmd, unsigned long arg)
 {
-    int ret;
+    int ret = -1;
 
     switch (cmd) {
         default:
@@ -77,7 +77,7 @@ static int RandomHwIoctl(struct file *filep, int cmd, unsigned long arg)
 
 static ssize_t RandomHwRead(struct file *filep, char *buffer, size_t buflen)
 {
-    int ret;
+    int ret = -1;
 
     if (g_randomOp.read != NULL) {
         ret = g_randomOp.read(buffer, buflen);
-- 
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