linux-kernel - [PATCH] usb: gadget: at91

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Date:	Sat,  2 Oct 2010 13:05:16 +0530
From:	Rahul Ruikar <rahul.ruikar@...il.com>
To:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Harro Haan <hrhaan@...il.com>,
	H Hartley Sweeten <hsweeten@...ionengravers.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ryan Mallon <ryan@...ewatersys.com>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rahul Ruikar <rahul.ruikar@...il.com>
Subject: [PATCH] usb: gadget: at91_udc: Fix error path

In function at91udc_probe()
call put_device() when device_register() fails.

Signed-off-by: Rahul Ruikar <rahul.ruikar@...il.com>
---
 drivers/usb/gadget/at91_udc.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 93ead19..43178e5 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1798,8 +1798,10 @@ static int __init at91udc_probe(struct platform_device *pdev)
 	}
 
 	retval = device_register(&udc->gadget.dev);
-	if (retval < 0)
+	if (retval < 0) {
+		put_device(&udc->gadget.dev);
 		goto fail0b;
+	}
 
 	/* don't do anything until we have both gadget driver and VBUS */
 	clk_enable(udc->iclk);
-- 
1.7.2.3

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