[PATCH] staging: wfx: fix warning of using plain integer

[Jules Irenge]

Fix warning of using plain integer as NULL pointer.
Issue reported by sparse tool.

Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
---
 drivers/staging/wfx/queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c
index ef3ee55cf621..5d29bce65f71 100644
--- a/drivers/staging/wfx/queue.c
+++ b/drivers/staging/wfx/queue.c
@@ -565,7 +565,7 @@ struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev)
 		}
 
 		if (ret)
-			return 0;
+			return NULL;
 
 		queue_num = queue - wdev->tx_queue;
 
-- 
2.21.0