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

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Message-Id: <1286004210-3833-1-git-send-email-rahul.ruikar@gmail.com>
Date:	Sat,  2 Oct 2010 12:53:30 +0530
From:	Rahul Ruikar <rahul.ruikar@...il.com>
To:	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Stern <stern@...land.harvard.edu>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rahul Ruikar <rahul.ruikar@...il.com>
Subject: [PATCH] usb: gadget: dummy_hcd: Fix error path

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

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

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index dc65462..2548091 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -885,8 +885,10 @@ static int dummy_udc_probe (struct platform_device *pdev)
 	dum->gadget.dev.parent = &pdev->dev;
 	dum->gadget.dev.release = dummy_gadget_release;
 	rc = device_register (&dum->gadget.dev);
-	if (rc < 0)
+	if (rc < 0) {
+		put_device(&dum->gadget.dev);
 		return rc;
+	}
 
 	usb_get_hcd (dummy_to_hcd (dum));
 
-- 
1.7.2.3

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