[PATCH -next] driver/rapidio: Remove unused variable

[Lin Ruizhe]

In function rio_txcq_handler the rc set but not used.
So we can delete this variable.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Lin Ruizhe <linruizhe@xxxxxxxxxx>
---
 drivers/rapidio/rio_cm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c
index 50ec53d67a4c..f5525786abe6 100644
--- a/drivers/rapidio/rio_cm.c
+++ b/drivers/rapidio/rio_cm.c
@@ -670,12 +670,11 @@ 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,
+			(void)rio_add_outb_message(cm->mport, req->rdev, cmbox,
 						  req->buffer, req->len);
 			kfree(req->buffer);
 			kfree(req);
-- 
2.22.0