linux-kernel - [PATCH 5.16 0036/1039] ksmbd: uninitialized variable in create

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Message-Id: <20220124184126.345329838@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:30:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Namjae Jeon <linkinjeon@...nel.org>,
        Steve French <stfrench@...rosoft.com>
Subject: [PATCH 5.16 0036/1039] ksmbd: uninitialized variable in create_socket()

From: Dan Carpenter <dan.carpenter@...cle.com>

commit b207602fb04537cb21ac38fabd7577eca2fa05ae upstream.

The "ksmbd_socket" variable is not initialized on this error path.

Cc: stable@...r.kernel.org
Fixes: 0626e6641f6b ("cifsd: add server handler for central processing and tranport layers")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Namjae Jeon <linkinjeon@...nel.org>
Signed-off-by: Steve French <stfrench@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/ksmbd/transport_tcp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/ksmbd/transport_tcp.c
+++ b/fs/ksmbd/transport_tcp.c
@@ -404,7 +404,7 @@ static int create_socket(struct interfac
 				  &ksmbd_socket);
 		if (ret) {
 			pr_err("Can't create socket for ipv4: %d\n", ret);
-			goto out_error;
+			goto out_clear;
 		}
 
 		sin.sin_family = PF_INET;
@@ -462,6 +462,7 @@ static int create_socket(struct interfac
 
 out_error:
 	tcp_destroy_socket(ksmbd_socket);
+out_clear:
 	iface->ksmbd_socket = NULL;
 	return ret;
 }