From 57cc73d413c205a0c16c824b8cb8f81a74e4ca46 Mon Sep 17 00:00:00 2001
From: Gary Bisson <gary.bisson@boundarydevices.com>
Date: Wed, 13 Oct 2021 16:32:32 +0200
Subject: [PATCH] j1939cat: fix comparison signs issue

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
---
 j1939cat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/j1939cat.c b/j1939cat.c
index 8277356..f629d77 100644
--- a/j1939cat.c
+++ b/j1939cat.c
@@ -273,7 +273,7 @@ static int j1939cat_extract_serr(struct j1939cat_priv *priv)
 		case J1939_EE_INFO_RX_DPO:
 			stats->tskey = serr->ee_data;
 			j1939cat_print_timestamp(priv, "RX DPO", &tss->ts[0]);
-			if (stats->send <= priv->last_dpo && priv->last_dpo != -1)
+			if (stats->send <= (uint32_t)priv->last_dpo && priv->last_dpo != -1)
 				warnx("same dpo? current: %i, last: %i",
 				      stats->send, priv->last_dpo);
 			priv->last_dpo = stats->send;