From: Vincent Bernat <vincent@bernat.ch>
Date: Sun, 18 Sep 2022 08:03:43 +0000 (+0200)
Subject: lib: zero receive buffer
X-Git-Tag: 1.0.16~16
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e19e50f6a99a0e5d295eba91309e5573b744be56;p=thirdparty%2Flldpd.git

lib: zero receive buffer

This is not strictly needed as we only use the part that was correctly
written by recv(), but it helps static tool analysis.
---

diff --git a/src/lib/connection.c b/src/lib/connection.c
index 2eed5a4b..e1acce0f 100644
--- a/src/lib/connection.c
+++ b/src/lib/connection.c
@@ -160,7 +160,7 @@ _lldpctl_needs(lldpctl_conn_t *conn, size_t length)
 	uint8_t *buffer;
 	ssize_t  rc;
 
-	if ((buffer = malloc(length)) == NULL)
+	if ((buffer = calloc(1, length)) == NULL)
 		return SET_ERROR(conn, LLDPCTL_ERR_NOMEM);
 	rc = conn->recv(conn, buffer, length, conn->user_data);
 	if (rc < 0) {