From: Hongbo Yao yaohongbo@huawei.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@huawei.com Signed-off-by: Hongbo Yao yaohongbo@huawei.com Link: https://lore.kernel.org/r/20191205111655.170382-1-yaohongbo@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.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);