--- v4l2uvc.c.orig	2006-04-12 14:57:54.000000000 -0700
+++ v4l2uvc.c	2006-04-18 19:51:23.000000000 -0700
@@ -315,7 +315,11 @@
     }
     switch (vd->formatIn) {
     case V4L2_PIX_FMT_MJPEG:
-
+        if(vd->buf.bytesused <= HEADERFRAME1) {	/* Prevent crash on empty image */
+	    if(debug)
+	        printf("Ignoring empty buffer ...\n");
+	    return 0;
+        }
 	memcpy(vd->tmpbuffer, vd->mem[vd->buf.index], HEADERFRAME1);
 	memcpy(vd->tmpbuffer + HEADERFRAME1, dht_data, DHT_SIZE);
 	memcpy(vd->tmpbuffer + HEADERFRAME1 + DHT_SIZE,