Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759183AbYH0N4s (ORCPT ); Wed, 27 Aug 2008 09:56:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757443AbYH0Ntw (ORCPT ); Wed, 27 Aug 2008 09:49:52 -0400 Received: from mx1.redhat.com ([66.187.233.31]:49309 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757427AbYH0Ntu (ORCPT ); Wed, 27 Aug 2008 09:49:50 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells Subject: [PATCH 20/59] CRED: Wrap task credential accesses in the Coda filesystem To: linux-kernel@vger.kernel.org Cc: linux-security-module@vger.kernel.org, David Howells , Serge Hallyn , Jan Harkes , codalist@TELEMANN.coda.cs.cmu.edu Date: Wed, 27 Aug 2008 14:47:25 +0100 Message-ID: <20080827134725.19980.20123.stgit@warthog.procyon.org.uk> In-Reply-To: <20080827134541.19980.61042.stgit@warthog.procyon.org.uk> References: <20080827134541.19980.61042.stgit@warthog.procyon.org.uk> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2189 Lines: 64 Wrap access to task credentials so that they can be separated more easily from the task_struct during the introduction of COW creds. Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id(). Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more sense to use RCU directly rather than a convenient wrapper; these will be addressed by later patches. Signed-off-by: David Howells Reviewed-by: James Morris Acked-by: Serge Hallyn Cc: Jan Harkes Cc: codalist@coda.cs.cmu.edu --- fs/coda/cache.c | 6 +++--- fs/coda/upcall.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/coda/cache.c b/fs/coda/cache.c index 8a23703..a5bf577 100644 --- a/fs/coda/cache.c +++ b/fs/coda/cache.c @@ -32,8 +32,8 @@ void coda_cache_enter(struct inode *inode, int mask) struct coda_inode_info *cii = ITOC(inode); cii->c_cached_epoch = atomic_read(&permission_epoch); - if (cii->c_uid != current->fsuid) { - cii->c_uid = current->fsuid; + if (cii->c_uid != current_fsuid()) { + cii->c_uid = current_fsuid(); cii->c_cached_perm = mask; } else cii->c_cached_perm |= mask; @@ -60,7 +60,7 @@ int coda_cache_check(struct inode *inode, int mask) int hit; hit = (mask & cii->c_cached_perm) == mask && - cii->c_uid == current->fsuid && + cii->c_uid == current_fsuid() && cii->c_cached_epoch == atomic_read(&permission_epoch); return hit; diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c index ce432bc..c274d94 100644 --- a/fs/coda/upcall.c +++ b/fs/coda/upcall.c @@ -52,7 +52,7 @@ static void *alloc_upcall(int opcode, int size) inp->ih.opcode = opcode; inp->ih.pid = current->pid; inp->ih.pgid = task_pgrp_nr(current); - inp->ih.uid = current->fsuid; + inp->ih.uid = current_fsuid(); return (void*)inp; } -- 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/