From patchwork Wed Nov 18 21:28:27 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: briaeros007 X-Patchwork-Id: 61188 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nAILT7kg011319 for ; Wed, 18 Nov 2009 21:29:07 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757095AbZKRV2Y (ORCPT ); Wed, 18 Nov 2009 16:28:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756991AbZKRV2Y (ORCPT ); Wed, 18 Nov 2009 16:28:24 -0500 Received: from mail-fx0-f221.google.com ([209.85.220.221]:61689 "EHLO mail-fx0-f221.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753996AbZKRV2X (ORCPT ); Wed, 18 Nov 2009 16:28:23 -0500 Received: by fxm21 with SMTP id 21so1687803fxm.21 for ; Wed, 18 Nov 2009 13:28:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=rabKv9N188F39ZWLSPEA8PF2ca3TfOk4/09ZRz8UNHE=; b=VqLCTRAdwwmZB1/fh4cfoPdLThZJyANHVNUmjTAdo3+P58TFNGxaVApyu0Ut43scwk +2eAn0NmM1/54k1txQizBVr9fT4XUEyY8jHRFxurWFlUIOw0C8GzeV2qHafoM4SWgMz0 0ZYUi6mSjPFfCmzUiQS08i6/JhW4Y6j/2ynFU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=k9T9nmKPA+pPVkm1TR2WE4ARudANCwfTtIH7GwTelqCAgzXFqtiG4doRHJPTZV9bYj odL5gHxi/L6I8LemwqbSl9puUlZXAuUbvDiZmlYG0TycnQOda7vX5M4ghSz0WsRa6rOl SXNV8OYDlzbTEJc91foaEB2jqSZuLNlgoEB1k= MIME-Version: 1.0 Received: by 10.102.80.14 with SMTP id d14mr652633mub.73.1258579707710; Wed, 18 Nov 2009 13:28:27 -0800 (PST) Date: Wed, 18 Nov 2009 22:28:27 +0100 Message-ID: <61bf8f4f0911181328y794436ackb82acca35d578f46@mail.gmail.com> Subject: (Little) Patch about null dereference with acl and posix. From: briaeros007 To: linux-btrfs@vger.kernel.org Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 3616042..f8ade24 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -111,7 +111,8 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) switch (type) { case ACL_TYPE_ACCESS: mode = inode->i_mode; - ret = posix_acl_equiv_mode(acl, &mode); + if (acl && mode) + ret = posix_acl_equiv_mode(acl, &mode); if (ret < 0) return ret;