lockdep: Add novalidate class for dev->mutex conversion

[safe/jmp/linux-2.6] / kernel / cred.c

diff --git a/kernel/cred.c b/kernel/cred.c
index e1dbe9e..2c24870 100644 (file)
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -17,7 +17,6 @@
 #include <linux/init_task.h>
 #include <linux/security.h>
 #include <linux/cn_proc.h>
-#include "cred-internals.h"
 
 #if 0
 #define kdebug(FMT, ...) \
@@ -398,6 +397,8 @@ struct cred *prepare_usermodehelper_creds(void)
 
 error:
        put_cred(new);
+       return NULL;
+
 free_tgcred:
 #ifdef CONFIG_KEYS
        kfree(tgcred);
@@ -521,8 +522,6 @@ int commit_creds(struct cred *new)
 #endif
        BUG_ON(atomic_read(&new->usage) < 1);
 
-       security_commit_creds(new, old);
-
        get_cred(new); /* we will require a ref for the subj creds too */
 
        /* dumpability changes */
@@ -558,8 +557,6 @@ int commit_creds(struct cred *new)
                atomic_dec(&old->user->processes);
        alter_cred_subscribers(old, -2);
 
-       sched_switch_user(task);
-
        /* send notifications */
        if (new->uid   != old->uid  ||
            new->euid  != old->euid ||
@@ -791,8 +788,6 @@ bool creds_are_invalid(const struct cred *cred)
 {
        if (cred->magic != CRED_MAGIC)
                return true;
-       if (atomic_read(&cred->usage) < atomic_read(&cred->subscribers))
-               return true;
 #ifdef CONFIG_SECURITY_SELINUX
        if (selinux_is_enabled()) {
                if ((unsigned long) cred->security < PAGE_SIZE)