linux-kernel - [PATCH] rapidio: remove useless variable

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Date:   Tue, 13 Apr 2021 11:11:07 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     mporter@...nel.crashing.org
Cc:     alex.bou9@...il.com, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] rapidio: remove useless variable

Fix the following gcc warning:

drivers/rapidio/rio_cm.c:673:7: warning: variable ‘rc’ set but not used
[-Wunused-but-set-variable].

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/rapidio/rio_cm.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c
index 50ec53d..c6fd181 100644
--- a/drivers/rapidio/rio_cm.c
+++ b/drivers/rapidio/rio_cm.c
@@ -670,13 +670,12 @@ static void rio_txcq_handler(struct cm_dev *cm, int slot)
 	 */
 	if (!list_empty(&cm->tx_reqs) && (cm->tx_cnt < RIOCM_TX_RING_SIZE)) {
 		struct tx_req *req, *_req;
-		int rc;
 
 		list_for_each_entry_safe(req, _req, &cm->tx_reqs, node) {
 			list_del(&req->node);
 			cm->tx_buf[cm->tx_slot] = req->buffer;
-			rc = rio_add_outb_message(cm->mport, req->rdev, cmbox,
-						  req->buffer, req->len);
+			rio_add_outb_message(cm->mport, req->rdev, cmbox,
+					     req->buffer, req->len);
 			kfree(req->buffer);
 			kfree(req);
 
-- 
1.8.3.1