linux-kernel - [PATCH 1/3] usb: usb3503: fix build warning

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Date:	Thu, 10 Jul 2014 13:23:46 +0900
From:	Joonyoung Shim <jy0922.shim@...sung.com>
To:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, m.szyprowski@...sung.com,
	broonie@...aro.org, tobetter@...il.com, jy0922.shim@...sung.com
Subject: [PATCH 1/3] usb: usb3503: fix build warning

This fixes below build warning.

drivers/usb/misc/usb3503.c: In function ‘usb3503_probe’:
drivers/usb/misc/usb3503.c:195:11: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized]
    dev_err(dev, "unable to request refclk (%d)\n", err);
           ^
Signed-off-by: Joonyoung Shim <jy0922.shim@...sung.com>
---
 drivers/usb/misc/usb3503.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
index f43c619..652855b 100644
--- a/drivers/usb/misc/usb3503.c
+++ b/drivers/usb/misc/usb3503.c
@@ -192,7 +192,8 @@ static int usb3503_probe(struct usb3503 *hub)
 
 		clk = devm_clk_get(dev, "refclk");
 		if (IS_ERR(clk) && PTR_ERR(clk) != -ENOENT) {
-			dev_err(dev, "unable to request refclk (%d)\n", err);
+			dev_err(dev, "unable to request refclk (%ld)\n",
+					PTR_ERR(clk));
 			return PTR_ERR(clk);
 		}
 
-- 
1.8.1.2

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