Message ID | 20220506175349.10102-1-piyush.mehta@xilinx.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Fri, 06 May 2022 10:54:11 -0700 From: Piyush Mehta <piyush.mehta@xilinx.com> To: <balbi@kernel.org>, <gregkh@linuxfoundation.org>, Michal Simek <michal.simek@xilinx.com>, <shubhrajyoti.datta@xilinx.com>, <lee.jones@linaro.org>, <christophe.jaillet@wanadoo.fr>, <szymon.heidrich@gmail.com>, <jakobkoschel@gmail.com>, <linux-usb@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org> CC: <radheys@xilinx.com>, <git@xilinx.com>, <sivadur@xilinx.com>, Piyush Mehta <piyush.mehta@xilinx.com> Subject: [PATCH] usb: gadget: udc: Remove useless variable assignment in xudc_read_fifo() Date: Fri, 6 May 2022 23:23:49 +0530 Message-ID: <20220506175349.10102-1-piyush.mehta@xilinx.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 36fa55f2-1d61-4e94-6a9e-08da2f897015 X-MS-TrafficTypeDiagnostic: MW4PR02MB7442:EE_ X-Microsoft-Antispam-PRVS: <MW4PR02MB7442B42E0C3DC4BF620DD41ED4C59@MW4PR02MB7442.namprd02.prod.outlook.com> X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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usb: gadget: udc: Remove useless variable assignment in xudc_read_fifo()
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diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c index 9369801..adfa1ab 100644 --- a/drivers/usb/gadget/udc/udc-xilinx.c +++ b/drivers/usb/gadget/udc/udc-xilinx.c @@ -632,7 +632,7 @@ static int xudc_read_fifo(struct xusb_ep *ep, struct xusb_req *req) dev_dbg(udc->dev, "read %s, %d bytes%s req %p %d/%d\n", ep->ep_usb.name, count, is_short ? "/S" : "", req, req->usb_req.actual, req->usb_req.length); - bufferspace -= count; + /* Completion */ if ((req->usb_req.actual == req->usb_req.length) || is_short) { if (udc->dma_enabled && req->usb_req.length)
This patch removes the unused variables assignment warning. Value assigned to variable bufferspace is overwritten, before it can be used. This makes such variable assignment useless. Reported Coverity warning: UNUSED_VALUE Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com> --- drivers/usb/gadget/udc/udc-xilinx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)