[PATCH 2/2] Fix another possible null pointer dereference

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From: Huzaifa Sidhpurwala <huzaifas@xxxxxxxxxx>

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@xxxxxxxxxx>
---
 drivers/usb/serial/mos7720.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 7d3bc9a..ae506f4 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;
 
 	/*
-- 
1.7.1

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