[PATCH] media: dvb-frontends: clean the freed pointer and counter

[PATCH] media: dvb-frontends: clean the freed pointer and counter

[Nil Yi]

After freed the dev->urb_list, we should set it to NULL as well as set
counter to zero.

Signed-off-by: Nil Yi <teroincn@163.com>
Asked-by: Sean Young <sean@mess.org>
---
 drivers/media/dvb-frontends/rtl2832_sdr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 1a2f0d2ad..6a4f2997d 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -376,8 +376,11 @@ static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev)
 		dev_dbg(&pdev->dev, "alloc urb=%d\n", i);
 		dev->urb_list[i] = usb_alloc_urb(0, GFP_KERNEL);
 		if (!dev->urb_list[i]) {
-			for (j = 0; j < i; j++)
+			for (j = 0; j < i; j++) {
 				usb_free_urb(dev->urb_list[j]);
+				dev->urb_list[j] = NULL;
+			}
+			dev->urbs_initialized = 0;
 			return -ENOMEM;
 		}
 		usb_fill_bulk_urb(dev->urb_list[i],
-- 
2.17.1