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media: rtl2832_sdr: clean the freed pointer and counter

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

Requested-by: Sean Young <sean@mess.org>
Signed-off-by: Nil Yi <teroincn@163.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Nil Yi 2021-08-14 11:40:09 +02:00 committed by Mauro Carvalho Chehab
parent 69a10678e2
commit cefdc9510a
1 changed files with 4 additions and 1 deletions
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5
drivers/media/dvb-frontends/rtl2832_sdr.c
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@ -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],