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Commit aba12e3f authored by Wei Yongjun's avatar Wei Yongjun Committed by Greg Kroah-Hartman
Browse files

staging: keucr: remove needless check before usb_free_coherent() 



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

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 31de28ab

drivers/staging/keucr/usb.c

+3 −6
Original line number Original line Diff line number Diff line
@@ -442,10 +442,7 @@ static void dissociate_dev(struct us_data *us) 
	kfree(us->sensebuf);

	kfree(us->sensebuf);





	/* Free the device-related DMA-mapped buffers */

	/* Free the device-related DMA-mapped buffers */

	if (us->cr)

	usb_free_coherent(us->pusb_dev, sizeof(*us->cr), us->cr, us->cr_dma);

		usb_free_coherent(us->pusb_dev, sizeof(*us->cr), us->cr,

								us->cr_dma);

	if (us->iobuf)

	usb_free_coherent(us->pusb_dev, US_IOBUF_SIZE, us->iobuf,

	usb_free_coherent(us->pusb_dev, US_IOBUF_SIZE, us->iobuf,

			  us->iobuf_dma);

			  us->iobuf_dma);