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
