linux-kernel - [PATCH] USB: idmouse.c: Put the interface on error

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Date:	Mon, 22 Feb 2016 10:48:45 +0800
From:	Junjie Mao <junjie.mao@...ght.me>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Junjie Mao <junjie.mao@...ght.me>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] USB: idmouse.c: Put the interface on error

usb_autopm_put_interface() should be called regardless of what
idmouse_create_image() returns.

Signed-off-by: Junjie Mao <junjie.mao@...ght.me>
---
 drivers/usb/misc/idmouse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 4e38683c653c..5105397e62fc 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -257,9 +257,9 @@ static int idmouse_open(struct inode *inode, struct file *file)
 		if (result)
 			goto error;
 		result = idmouse_create_image (dev);
+		usb_autopm_put_interface(interface);
 		if (result)
 			goto error;
-		usb_autopm_put_interface(interface);
 
 		/* increment our usage count for the driver */
 		++dev->open;
-- 
1.9.3