From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Thu, 23 May 2013 09:28:34 +0000 (+0800)
Subject: staging: keucr: remove needless check before usb_free_coherent()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=aba12e3fccc79b8553a28a696e20859e3bfb1519;p=linux-beck.git

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 <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/keucr/usb.c b/drivers/staging/keucr/usb.c
index efadfcf64cbe..0608a5c6b2c0 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);