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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:16 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:16 +1100
commitb6dff3ec5e116e3af6f537d4caedcad6b9e5082a (patch)
tree9e76f972eb7ce9b84e0146c8e4126a3f86acb428 /kernel/cgroup.c
parent15a2460ed0af7538ca8e6c610fe607a2cd9da142 (diff)
downloadop-kernel-dev-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.zip
op-kernel-dev-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.tar.gz
CRED: Separate task security context from task_struct
Separate the task security context from task_struct. At this point, the security data is temporarily embedded in the task_struct with two pointers pointing to it. Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in entry.S via asm-offsets. With comment fixes Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 78f9b31..e210526 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1293,7 +1293,9 @@ static int attach_task_by_pid(struct cgroup *cgrp, u64 pid)
rcu_read_unlock();
euid = current_euid();
- if (euid && euid != tsk->uid && euid != tsk->suid) {
+ if (euid &&
+ euid != tsk->cred->uid &&
+ euid != tsk->cred->suid) {
put_task_struct(tsk);
return -EACCES;
}
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