From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Tue, 12 Apr 2016 14:07:41 +0000 (+0200)
Subject: gnutls_packet_get: avoid null pointer dereference on NULL input
X-Git-Tag: gnutls_3_5_0~169
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3073720273bb45adc6d59f6dad0e43efa4e224fb;p=thirdparty%2Fgnutls.git

gnutls_packet_get: avoid null pointer dereference on NULL input

That is, still allow the function to handle a NULL packet
input but reset the data contents.
---

diff --git a/lib/record.c b/lib/record.c
index b07769f495..ca181622c1 100644
--- a/lib/record.c
+++ b/lib/record.c
@@ -1450,6 +1450,7 @@ void gnutls_packet_get(gnutls_packet_t packet, gnutls_datum_t *data, unsigned ch
 		if (data) {
 			data->data = NULL;
 			data->size = 0;
+			return;
 		}
 	}