Commit d8a84935 authored Jul 20, 2020 by Xu Wang Committed by Greg Kroah-Hartman Jul 21, 2020

usb: appledisplay: remove needless check before usb_free_coherent()



usb_free_coherent() is safe with NULL addr and this check is
not required.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20200720052456.7610-1-vulab@iscas.ac.cn


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ffeb1e9e

drivers/usb/misc/appledisplay.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -305,7 +305,6 @@ error:
		if (pdata->urb) {
		usb_kill_urb(pdata->urb);
		cancel_delayed_work_sync(&pdata->work);
		if (pdata->urbdata)
		usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,
		pdata->urbdata, pdata->urb->transfer_dma);
		usb_free_urb(pdata->urb);

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