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From: Paulo Alcantara <pc@manguebit.com>
To: Steve French <smfrench@gmail.com>
Cc: linux-cifs@vger.kernel.org
Subject: Re: [PATCH 2/2] cifs: prevent data race in cifs_reconnect_tcon()
Date: Mon, 27 Feb 2023 21:09:21 -0300	[thread overview]
Message-ID: <8a0a723accb2b3bbaa48dd98d5572ebb.pc@manguebit.com> (raw)
In-Reply-To: <CAH2r5mufi6BRa3tDdzpDNsLDsE2g8ApTTYgK4zF_wU9ExEc1EQ@mail.gmail.com>

Steve French <smfrench@gmail.com> writes:

>   CHECK   /home/smfrench/cifs-2.6/fs/cifs/smb2pdu.c
> /home/smfrench/cifs-2.6/fs/cifs/smb2pdu.c:204:20: warning: context
> imbalance in 'smb2_reconnect' - unexpected unlock

Thanks.

Please fold this change in

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 62c125e73b73..0e53265e1462 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -185,7 +185,6 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
 
 	spin_lock(&server->srv_lock);
 	if (server->tcpStatus == CifsNeedReconnect) {
-		spin_unlock(&server->srv_lock);
 		/*
 		 * Return to caller for TREE_DISCONNECT and LOGOFF and CLOSE
 		 * here since they are implicitly done when session drops.
@@ -198,6 +197,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon,
 		case SMB2_CANCEL:
 		case SMB2_CLOSE:
 		case SMB2_OPLOCK_BREAK:
+			spin_unlock(&server->srv_lock);
 			return -EAGAIN;
 		}
 	}

  reply	other threads:[~2023-02-28  0:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27 13:53 [PATCH 1/2] cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID Paulo Alcantara
2023-02-27 13:53 ` [PATCH 2/2] cifs: prevent data race in cifs_reconnect_tcon() Paulo Alcantara
2023-02-27 22:40   ` Steve French
2023-02-28  0:09     ` Paulo Alcantara [this message]
2023-02-28 22:01 ` [PATCH v2 1/2] cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID Paulo Alcantara
2023-02-28 22:01   ` [PATCH v2 2/2] cifs: prevent data race in cifs_reconnect_tcon() Paulo Alcantara
2023-02-28 22:16     ` Steve French
2023-02-28 22:20   ` [PATCH v2 1/2] cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID ronnie sahlberg
2023-02-28 23:35     ` Steve French

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