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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/futex_compat.c
parent15a2460ed0af7538ca8e6c610fe607a2cd9da142 (diff)
downloadlinaro-lsk-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/futex_compat.c')
-rw-r--r--kernel/futex_compat.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 3254d4e41e8..2c3fd5ed34f 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -151,8 +151,9 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
if (!p)
goto err_unlock;
ret = -EPERM;
- if (euid != p->euid && euid != p->uid &&
- !capable(CAP_SYS_PTRACE))
+ if (euid != p->cred->euid &&
+ euid != p->cred->uid &&
+ !capable(CAP_SYS_PTRACE))
goto err_unlock;
head = p->compat_robust_list;
read_unlock(&tasklist_lock);