cifs: use a refcount to protect open/closing the cached file handle
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Cc: <stable@vger.kernel.org>
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index d01ad70..f22cbc0 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -120,7 +120,9 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
break;
}
- if (use_cached_root_handle == false)
+ if (use_cached_root_handle)
+ close_shroot(&tcon->crfid);
+ else
rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
if (tmprc)
rc = tmprc;