From 1cc8b343a4bc9320758c78e187b13bb3c9029f12 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 12 Oct 2018 14:26:01 +0200
Subject: usb: Fix adding hyphen to new style UDIDs by not counting '\0'
 towards string length

---
 src/usb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/usb.c b/src/usb.c
index 44c33ce..b659d90 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -274,6 +274,8 @@ static void get_serial_callback(struct libusb_transfer *transfer)
 	for (di = 0, si = 2; si < data[0] && di < sizeof(usbdev->serial)-1; si += 2) {
 		if ((data[si] & 0x80) || (data[si + 1])) /* non-ASCII */
 			usbdev->serial[di++] = '?';
+		else if (data[si] == '\0')
+			break;
 		else
 			usbdev->serial[di++] = data[si];
 	}
-- 
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