CRED: Wrap task credential accesses in the key management code

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>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index acc9c89e40a8..3f09e5b2a784 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -817,7 +817,7 @@ long keyctl_setperm_key(key_serial_t id, key_perm_t perm)
         down_write(&key->sem);
 
         /* if we're not the sysadmin, we can only change a key that we own */
-        if (capable(CAP_SYS_ADMIN) || key->uid == current->fsuid) {
+        if (capable(CAP_SYS_ADMIN) || key->uid == current_fsuid()) {
                 key->perm = perm;
                 ret = 0;
         }