Use kernel-version to determine whether we should set vfl_dir

Closes: #172
v4l2loopback · May 28, 2018 · d33ea34 · d33ea34
1 parent 12308e6
commit d33ea34
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/v4l2loopback.c b/v4l2loopback.c
@@ -2093,7 +2093,7 @@ static void init_vdev(struct video_device *vdev, int nr)
 
 	/* since kernel-3.7, there is a new field 'vfl_dir' that has to be
 	 * set to VFL_DIR_M2M for bidrectional devices */
-#ifdef VFL_DIR_M2M
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)
 	vdev->vfl_dir = VFL_DIR_M2M;
 #endif