linux-kernel - [PATCH 1/2] USB: core: Fix build warning in usb_get

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Message-Id: <1582697723-7274-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Wed, 26 Feb 2020 14:15:22 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: [PATCH 1/2] USB: core: Fix build warning in usb_get_configuration()

There is no functional issue, just fix the following build warning:

  CC      drivers/usb/core/config.o
drivers/usb/core/config.c: In function ‘usb_get_configuration’:
drivers/usb/core/config.c:868:6: warning: ‘result’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  int result;
      ^

Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 drivers/usb/core/config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index b7918f6..bb63ee0 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -865,7 +865,7 @@ int usb_get_configuration(struct usb_device *dev)
 	unsigned int cfgno, length;
 	unsigned char *bigbuffer;
 	struct usb_config_descriptor *desc;
-	int result;
+	int result = 0;
 
 	if (ncfg > USB_MAXCONFIG) {
 		dev_warn(ddev, "too many configurations: %d, "
-- 
2.1.0