From: Alan T. DeKok <aland@freeradius.org>
Date: Sun, 28 Jan 2024 14:20:52 +0000 (-0500)
Subject: dhcp attributes can have zeeo length
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dc36bfdb6d077c4acc2e305e16a09429ec8ec53;p=thirdparty%2Ffreeradius-server.git

dhcp attributes can have zeeo length
---

diff --git a/src/protocols/dhcpv4/decode.c b/src/protocols/dhcpv4/decode.c
index fefefc01328..cbbecdd175d 100644
--- a/src/protocols/dhcpv4/decode.c
+++ b/src/protocols/dhcpv4/decode.c
@@ -619,7 +619,7 @@ ssize_t fr_dhcpv4_decode_option(TALLOC_CTX *ctx, fr_pair_list_t *out,
 		} else {
 			slen = decode_value(ctx, out, da, concat_buffer, q - concat_buffer, packet_ctx);
 		}
-		if (slen <= 0) return slen;
+		if (slen < 0) return slen;
 
 		/*
 		 *	The actual amount of data we decoded, including the various headers.