From 15301413e570fb2187d4560f621b47cf43cd4318 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Fri, 16 Aug 2019 09:27:39 -0400
Subject: [PATCH] TT#65000 fix kernel module compilation for 5.2 kernels

closes #826

Change-Id: Iadce65b1d274a527d7244521d52803ab4aa6b079
(cherry picked from commit 25c84bbda3ad164858541f2f659ef1fe40d151e5)
---
 kernel-module/xt_RTPENGINE.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel-module/xt_RTPENGINE.c b/kernel-module/xt_RTPENGINE.c
index a5cdd999d..6e625648a 100644
--- a/kernel-module/xt_RTPENGINE.c
+++ b/kernel-module/xt_RTPENGINE.c
@@ -3551,18 +3551,20 @@ static int srtp_hash(unsigned char *hmac,
 {
 	u_int32_t roc;
 	struct shash_desc *dsc;
+	size_t alloc_size;
 
 	if (!s->auth_tag_len)
 		return 0;
 
 	roc = htonl((pkt_idx & 0xffffffff0000ULL) >> 16);
 
-	dsc = kmalloc(sizeof(*dsc) + crypto_shash_descsize(c->shash), GFP_ATOMIC);
+	alloc_size = sizeof(*dsc) + crypto_shash_descsize(c->shash);
+	dsc = kmalloc(alloc_size, GFP_ATOMIC);
 	if (!dsc)
 		return -1;
+	memset(dsc, 0, alloc_size);
 
 	dsc->tfm = c->shash;
-	dsc->flags = 0;
 
 	if (crypto_shash_init(dsc))
 		goto error;