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Date:   Fri, 14 Feb 2020 11:10:15 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hongbo Yao <yaohongbo@...wei.com>, Hulk Robot <hulkci@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.19 160/252] misc: genwqe: fix compile warnings

From: Hongbo Yao <yaohongbo@...wei.com>

[ Upstream commit 8edf4cd193067ac5e03fd9580f1affbb6a3f729b ]

Using the following command will get compile warnings:
make W=1 drivers/misc/genwqe/card_ddcb.o ARCH=x86_64

drivers/misc/genwqe/card_ddcb.c: In function setup_ddcb_queue:
drivers/misc/genwqe/card_ddcb.c:1024:6: warning: variable rc set but not
used [-Wunused-but-set-variable]
drivers/misc/genwqe/card_ddcb.c: In function genwqe_card_thread:
drivers/misc/genwqe/card_ddcb.c:1190:23: warning: variable rc set but
not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Hongbo Yao <yaohongbo@...wei.com>
Link: https://lore.kernel.org/r/20191205111655.170382-1-yaohongbo@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/misc/genwqe/card_ddcb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/genwqe/card_ddcb.c b/drivers/misc/genwqe/card_ddcb.c
index 656449cb4476b..cdbf5f78f1fa3 100644
--- a/drivers/misc/genwqe/card_ddcb.c
+++ b/drivers/misc/genwqe/card_ddcb.c
@@ -1093,7 +1093,7 @@ static int setup_ddcb_queue(struct genwqe_dev *cd, struct ddcb_queue *queue)
 				queue->ddcb_daddr);
 	queue->ddcb_vaddr = NULL;
 	queue->ddcb_daddr = 0ull;
-	return -ENODEV;
+	return rc;
 
 }
 
@@ -1188,7 +1188,7 @@ static irqreturn_t genwqe_vf_isr(int irq, void *dev_id)
  */
 static int genwqe_card_thread(void *data)
 {
-	int should_stop = 0, rc = 0;
+	int should_stop = 0;
 	struct genwqe_dev *cd = (struct genwqe_dev *)data;
 
 	while (!kthread_should_stop()) {
@@ -1196,12 +1196,12 @@ static int genwqe_card_thread(void *data)
 		genwqe_check_ddcb_queue(cd, &cd->queue);
 
 		if (GENWQE_POLLING_ENABLED) {
-			rc = wait_event_interruptible_timeout(
+			wait_event_interruptible_timeout(
 				cd->queue_waitq,
 				genwqe_ddcbs_in_flight(cd) ||
 				(should_stop = kthread_should_stop()), 1);
 		} else {
-			rc = wait_event_interruptible_timeout(
+			wait_event_interruptible_timeout(
 				cd->queue_waitq,
 				genwqe_next_ddcb_ready(cd) ||
 				(should_stop = kthread_should_stop()), HZ);
-- 
2.20.1

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