From c75e6f19307ffdecf1f99205f31c3aa61cde7350 Mon Sep 17 00:00:00 2001
From: Jeremy Sowden <jeremy@azazel.net>
Date: Thu, 5 Aug 2021 15:38:40 +0100
Subject: [PATCH v4 03/10] extensions: libxt_NFLOG: only send the prefix if it
 is not empty.

`info->prefix` is an array, not a pointer, and so is never `NULL`.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
---
 iptables/nft.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/iptables/nft.c b/iptables/nft.c
index 13cbf0a8b87b..e5e5b8e1046b 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -1364,7 +1364,7 @@ int add_log(struct nftnl_rule *r, struct iptables_command_state *cs)
     if (!expr)
         return -ENOMEM;
 
-    if (info->prefix != NULL) {
+    if (info->prefix[0] != '\0') {
         nftnl_expr_set_str(expr, NFTNL_EXPR_LOG_PREFIX, cs->target->udata);
     }
     if (info->group) {
-- 
2.30.2