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media: tm6000: Fix memleak in tm6000_start_stream

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When usb_clear_halt() fails, dvb->bulk_urb->transfer_buffer
and dvb->bulk_urb should be freed just like when
usb_submit_urb() fails.

Fixes: 3169c9b26f ("V4L/DVB (12788): tm6000: Add initial DVB-T support")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Dinghao Liu 2021-01-02 09:26:37 +01:00 committed by Mauro Carvalho Chehab
parent 15d0c52241
commit 76aaf8a967
1 changed files with 4 additions and 0 deletions
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4
drivers/media/usb/tm6000/tm6000-dvb.c
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@ -141,6 +141,10 @@ static int tm6000_start_stream(struct tm6000_core *dev)
if (ret < 0) {
printk(KERN_ERR "tm6000: error %i in %s during pipe reset\n",
ret, __func__);
kfree(dvb->bulk_urb->transfer_buffer);
usb_free_urb(dvb->bulk_urb);
dvb->bulk_urb = NULL;
return ret;
} else
printk(KERN_ERR "tm6000: pipe reset\n");