linux-kernel - [PATCH 4.9 056/107] smb3: dont request leases in symlink creation and query

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Date:   Mon,  3 Sep 2018 18:56:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pavel Shilovsky <pshilov@...rosoft.com>,
        Steve French <stfrench@...rosoft.com>,
        Ronnie Sahlberg <lsahlber@...hat.com>
Subject: [PATCH 4.9 056/107] smb3: dont request leases in symlink creation and query

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steve French <stfrench@...rosoft.com>

commit 22783155f4bf956c346a81624ec9258930a6fe06 upstream.

Fixes problem pointed out by Pavel in discussions about commit
729c0c9dd55204f0c9a823ac8a7bfa83d36c7e78

Signed-off-by: Pavel Shilovsky <pshilov@...rosoft.com>
Signed-off-by: Steve French <stfrench@...rosoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@...hat.com>
CC: Stable <stable@...r.kernel.org> # 3.18.x+
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/cifs/link.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -419,7 +419,7 @@ smb3_query_mf_symlink(unsigned int xid,
 	struct cifs_io_parms io_parms;
 	int buf_type = CIFS_NO_BUFFER;
 	__le16 *utf16_path;
-	__u8 oplock = SMB2_OPLOCK_LEVEL_II;
+	__u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
 	struct smb2_file_all_info *pfile_info = NULL;
 
 	oparms.tcon = tcon;
@@ -481,7 +481,7 @@ smb3_create_mf_symlink(unsigned int xid,
 	struct cifs_io_parms io_parms;
 	int create_options = CREATE_NOT_DIR;
 	__le16 *utf16_path;
-	__u8 oplock = SMB2_OPLOCK_LEVEL_EXCLUSIVE;
+	__u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
 	struct kvec iov[2];
 
 	if (backup_cred(cifs_sb))