From aba12e3fccc79b8553a28a696e20859e3bfb1519 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 23 May 2013 17:28:34 +0800 Subject: [PATCH] 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: Wei Yongjun Signed-off-by: Greg Kroah-Hartman --- drivers/staging/keucr/usb.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/staging/keucr/usb.c b/drivers/staging/keucr/usb.c index efadfcf64cb..0608a5c6b2c 100644 --- a/drivers/staging/keucr/usb.c +++ b/drivers/staging/keucr/usb.c @@ -442,12 +442,9 @@ static void dissociate_dev(struct us_data *us) kfree(us->sensebuf); /* Free the device-related DMA-mapped buffers */ - if (us->cr) - 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, - us->iobuf_dma); + usb_free_coherent(us->pusb_dev, sizeof(*us->cr), us->cr, us->cr_dma); + usb_free_coherent(us->pusb_dev, US_IOBUF_SIZE, us->iobuf, + us->iobuf_dma); /* Remove our private data from the interface */ usb_set_intfdata(us->pusb_intf, NULL); -- 2.41.0