applog usb device list can be > LOGBUFSIZ
diff --git a/usbutils.c b/usbutils.c
index d2d4d9f..6710d48 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -924,7 +924,7 @@ void usb_all(int level)
for (i = 0; i < count; i++)
usb_full(&j, list[i], &buf, &off, &len, level);
- applog(LOG_WARNING, "%s", buf);
+ _applog(LOG_WARNING, buf);
free(buf);