From: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Date: Mon, 21 Feb 2011 07:28:45 +0000 (+0530)
Subject: USB: serial: mos7720: Fix possible null pointer dereference
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=91f58ae61913b40da35e119017e70b3420c6f3a0;p=deliverable%2Flinux.git

USB: serial: mos7720: Fix possible null pointer dereference

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 7d3bc9a3e2b6..ae506f4ee29d 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -2052,7 +2052,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	struct usb_device *dev;
 	int i;
 	char data;
-	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
+	u16 product;
 	int ret_val;
 
 	dbg("%s: Entering ..........", __func__);
@@ -2062,6 +2062,7 @@ static int mos7720_startup(struct usb_serial *serial)
 		return -ENODEV;
 	}
 
+	product = le16_to_cpu(serial->dev->descriptor.idProduct);
 	dev = serial->dev;
 
 	/*