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[media] mceusb: fix memory leaks in error path

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Fix urb and transfer-buffer leaks in an urb-submission error path which
may be hit when a device is disconnected.

Fixes: 66e89522af ("V4L/DVB: IR: add mceusb IR receiver driver")

Cc: stable <stable@vger.kernel.org>     # 2.6.36
Cc: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Johan Hovold 2017-06-01 04:45:59 -03:00 committed by Mauro Carvalho Chehab
parent 4e66a52a2e
commit 2d5a6ce71c
1 changed files with 2 additions and 0 deletions
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2
drivers/media/rc/mceusb.c
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@ -795,6 +795,8 @@ static void mce_request_packet(struct mceusb_dev *ir, unsigned char *data,
res = usb_submit_urb(async_urb, GFP_ATOMIC);
if (res) {
dev_err(dev, "send request FAILED! (res=%d)", res);
kfree(async_buf);
usb_free_urb(async_urb);
return;
}
dev_dbg(dev, "send request complete (res=%d)", res);