[PATCH AUTOSEL 5.4 298/459] misc: genwqe: fix compile warnings

From: Sasha Levin
Date: Fri Feb 14 2020 - 12:27:57 EST


From: Hongbo Yao <yaohongbo@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Hongbo Yao <yaohongbo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191205111655.170382-1-yaohongbo@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 026c6ca245408..905106579935a 100644
--- a/drivers/misc/genwqe/card_ddcb.c
+++ b/drivers/misc/genwqe/card_ddcb.c
@@ -1084,7 +1084,7 @@ 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;

}

@@ -1179,7 +1179,7 @@ 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()) {
@@ -1187,12 +1187,12 @@ 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