Fix raw1394_iso_xmit_write() to work with recent kernel change to raw1394

to fix bug with stalling on buffer underrun.


git-svn-id: svn://svn.linux1394.org/libraw1394/trunk@160 53a565d1-3bb7-0310-b661-cf11e63c67ab

src/iso.c

@@ -363,7 +363,7 @@ int raw1394_iso_xmit_write(raw1394handle_t handle, unsigned char *data, unsigned
 	}
 
 	/* wait until buffer space is available */
-	while(handle->iso_status.n_packets == 0) {
+	while(handle->iso_status.n_packets <= 1) {
 		/* if the file descriptor has been set non-blocking,
 		   return immediately */
 		if(fcntl(handle->fd, F_GETFL) & O_NONBLOCK) {