From: Christoph Hellwig <hch@lst.de>
Date: Sun, 19 Jul 2020 07:22:03 +0000 (+0200)
Subject: sctp: switch sctp_setsockopt_auth_key to use memzero_explicit
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=89fae01eef8b1572c71d2cfcc3307c1f1e97b778;p=linux.git

sctp: switch sctp_setsockopt_auth_key to use memzero_explicit

Switch from kzfree to sctp_setsockopt_auth_key + kfree to prepare for
moving the kfree to common code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index a573af7dfe41f..365145746b559 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3649,7 +3649,8 @@ static int sctp_setsockopt_auth_key(struct sock *sk,
 	}
 
 out:
-	kzfree(authkey);
+	memzero_explicit(authkey, optlen);
+	kfree(authkey);
 	return ret;
 }