staging: wfx: replace 0 by NULL

Replace 0 by NULL as the return value of a pointer-returning function.
Issue detected by sparse tool.

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/20191105010352.222479-2-jbi.octave@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wfx/queue.c b/drivers/staging/wfx/queue.c
index ef3ee55cf621ba16d312999f2bc45407e6031caf..5d29bce65f7179376406167b2e45e7eff9a3ca95 100644 (file)
--- 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;