audio/null: Fix null pointer dereference

Fix possible null pointer dereference at line 350-354 when 'device' is NULL at line 347. Pointed out by cppcheck. Change-Id: I25a090172a0d17ef3cb1fe607f70a31e579d13b0 Reviewed-on: https://review.haiku-os.org/c/haiku/+/3498 Reviewed-by: Jérôme Duval <[email protected]>
2020-12-12 13:53:56 +00:00
parent 151de9ff9b
commit c3427db750
1 changed files with 4 additions and 1 deletions
@@ -344,7 +344,10 @@ buffer_force_stop(device_t* device)
 {
 	dprintf("null_audio: %s\n" , __func__ );

-	if (device && device->running)
+	if (device  == NULL)
+		return B_ERROR;
+
+	if (device->running)
 		null_stop_hardware(device);

 	delete_area(device->playback_stream.buffer_area);