From 001b230b10ce2b0fbba2ceb6d84c53e01b5f53c1 Mon Sep 17 00:00:00 2001
From: Oliver Hartkopp <socketcan@hartkopp.net>
Date: Mon, 18 Mar 2024 12:35:29 +0100
Subject: [PATCH] cangen: initialize reserved struct CAN(FD) frame elements

With 'cansend' and other tools the reserved elements are set to zero.
Fix this missing initialization in 'cangen'.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
---
 cangen.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cangen.c b/cangen.c
index 4e272611..3c904b51 100644
--- a/cangen.c
+++ b/cangen.c
@@ -838,7 +838,10 @@ int main(int argc, char **argv)
 		return 1;
 
 	while (running) {
+		/* clear values but preserve cu.fd.len */
 		cu.fd.flags = 0;
+		cu.fd.__res0 = 0;
+		cu.fd.__res1 = 0;
 
 		if (count && (--count == 0))
 			running = 0;