From: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Date: Mon, 19 Oct 2020 11:50:20 +0000 (+0530)
Subject: chelsio/chtls: fix socket lock
X-Git-Tag: v5.8.17~601
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=958fc22dbc3025ec570a695575af85f58965a6ed;p=thirdparty%2Fkernel%2Fstable.git

chelsio/chtls: fix socket lock

[ Upstream commit 0fb5f0160a36d7acaa8e84ce873af99f94b60484 ]

In chtls_sendpage() socket lock is released but not acquired,
fix it by taking lock.

Fixes: 36bedb3f2e5b ("crypto: chtls - Inline TLS record Tx")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c
index 2e9acae1cba3b..28c6c538032d3 100644
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -1240,6 +1240,7 @@ int chtls_sendpage(struct sock *sk, struct page *page,
 	copied = 0;
 	csk = rcu_dereference_sk_user_data(sk);
 	cdev = csk->cdev;
+	lock_sock(sk);
 	timeo = sock_sndtimeo(sk, flags & MSG_DONTWAIT);
 
 	err = sk_stream_wait_connect(sk, &timeo);