[PATCH 26/51] sctp: switch sctp_setsockopt_auth_key to use memzero_explicit

[Christoph Hellwig]

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

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 net/sctp/socket.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index a573af7dfe41f5..365145746b559d 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;
 }
 
-- 
2.27.0