--- zzzz-none-000/linux-4.4.60/drivers/media/v4l2-core/v4l2-compat-ioctl32.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/drivers/media/v4l2-core/v4l2-compat-ioctl32.c	2021-02-04 17:41:59.000000000 +0000
@@ -864,6 +864,7 @@
 	int compatible_arg = 1;
 	long err = 0;
 
+	memset(&karg, 0, sizeof(karg));
 	/* First, convert the command. */
 	switch (cmd) {
 	case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;