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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:05 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:05 +1100
commitda9592edebceeba1b9301beafe80ec8b9c2db0ce (patch)
tree00c110cd8ff6d211d76ab4868b6175096a38aad5 /fs/posix_acl.c
parent82ab8deda7fef36f067ccdeacc3b3caefc970f89 (diff)
downloadlwn-da9592edebceeba1b9301beafe80ec8b9c2db0ce.tar.gz
lwn-da9592edebceeba1b9301beafe80ec8b9c2db0ce.zip
CRED: Wrap task credential accesses in the filesystem subsystem
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 <dhowells@redhat.com> Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/posix_acl.c')
-rw-r--r--fs/posix_acl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index aec931e09973..39df95a0ec25 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -217,11 +217,11 @@ posix_acl_permission(struct inode *inode, const struct posix_acl *acl, int want)
switch(pa->e_tag) {
case ACL_USER_OBJ:
/* (May have been checked already) */
- if (inode->i_uid == current->fsuid)
+ if (inode->i_uid == current_fsuid())
goto check_perm;
break;
case ACL_USER:
- if (pa->e_id == current->fsuid)
+ if (pa->e_id == current_fsuid())
goto mask;
break;
case ACL_GROUP_OBJ: