From: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
Date: Mon, 25 Nov 2013 21:42:46 +0000 (-0800)
Subject: staging: dwc2: fix useless test for non-0
X-Git-Tag: firefly_0821_release~176^2~4489^2~690
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e7e59e11700c04d822a309917c1b7520bb8578c3;p=firefly-linux-kernel-4.4.55.git

staging: dwc2: fix useless test for non-0

In dwc2_xfercomp_isoc_split_in(), the function has already exited
if len == 0, so no need to test it again

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/dwc2/hcd_intr.c b/drivers/staging/dwc2/hcd_intr.c
index 50e6de54f0f0..012f17ec1a37 100644
--- a/drivers/staging/dwc2/hcd_intr.c
+++ b/drivers/staging/dwc2/hcd_intr.c
@@ -935,7 +935,7 @@ static int dwc2_xfercomp_isoc_split_in(struct dwc2_hsotg *hsotg,
 
 	frame_desc->actual_length += len;
 
-	if (chan->align_buf && len) {
+	if (chan->align_buf) {
 		dev_vdbg(hsotg->dev, "%s(): non-aligned buffer\n", __func__);
 		dma_sync_single_for_cpu(hsotg->dev, qtd->urb->dma,
 					qtd->urb->length, DMA_FROM_DEVICE);