Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964856AbaFIJCx (ORCPT ); Mon, 9 Jun 2014 05:02:53 -0400 Received: from ip4-83-240-18-248.cust.nbox.cz ([83.240.18.248]:58523 "EHLO ip4-83-240-18-248.cust.nbox.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755214AbaFIIv0 (ORCPT ); Mon, 9 Jun 2014 04:51:26 -0400 From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, "J. Bruce Fields" , Jiri Slaby Subject: [PATCH 3.12 100/146] nfsd4: warn on finding lockowner without stateid's Date: Mon, 9 Jun 2014 10:50:35 +0200 Message-Id: <5a6c860284149c6c35313a4f482d559f46afc0ab.1402303821.git.jslaby@suse.cz> X-Mailer: git-send-email 1.9.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "J. Bruce Fields" 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit 27b11428b7de097c42f205beabb1764f4365443b upstream. The current code assumes a one-to-one lockowner<->lock stateid correspondance. Signed-off-by: J. Bruce Fields Signed-off-by: Jiri Slaby --- fs/nfsd/nfs4state.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b21ed5e5b369..6f1250c14606 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4142,6 +4142,10 @@ static bool same_lockowner_ino(struct nfs4_lockowner *lo, struct inode *inode, c if (!same_owner_str(&lo->lo_owner, owner, clid)) return false; + if (list_empty(&lo->lo_owner.so_stateids)) { + WARN_ON_ONCE(1); + return false; + } lst = list_first_entry(&lo->lo_owner.so_stateids, struct nfs4_ol_stateid, st_perstateowner); return lst->st_file->fi_inode == inode; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/