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-rw-r--r--kernel/cred.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/kernel/cred.c b/kernel/cred.c
index 2c24870c55d1..a2d5504fbcc2 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -347,66 +347,6 @@ struct cred *prepare_exec_creds(void)
}
/*
- * prepare new credentials for the usermode helper dispatcher
- */
-struct cred *prepare_usermodehelper_creds(void)
-{
-#ifdef CONFIG_KEYS
- struct thread_group_cred *tgcred = NULL;
-#endif
- struct cred *new;
-
-#ifdef CONFIG_KEYS
- tgcred = kzalloc(sizeof(*new->tgcred), GFP_ATOMIC);
- if (!tgcred)
- return NULL;
-#endif
-
- new = kmem_cache_alloc(cred_jar, GFP_ATOMIC);
- if (!new)
- goto free_tgcred;
-
- kdebug("prepare_usermodehelper_creds() alloc %p", new);
-
- memcpy(new, &init_cred, sizeof(struct cred));
-
- atomic_set(&new->usage, 1);
- set_cred_subscribers(new, 0);
- get_group_info(new->group_info);
- get_uid(new->user);
-
-#ifdef CONFIG_KEYS
- new->thread_keyring = NULL;
- new->request_key_auth = NULL;
- new->jit_keyring = KEY_REQKEY_DEFL_DEFAULT;
-
- atomic_set(&tgcred->usage, 1);
- spin_lock_init(&tgcred->lock);
- new->tgcred = tgcred;
-#endif
-
-#ifdef CONFIG_SECURITY
- new->security = NULL;
-#endif
- if (security_prepare_creds(new, &init_cred, GFP_ATOMIC) < 0)
- goto error;
- validate_creds(new);
-
- BUG_ON(atomic_read(&new->usage) != 1);
- return new;
-
-error:
- put_cred(new);
- return NULL;
-
-free_tgcred:
-#ifdef CONFIG_KEYS
- kfree(tgcred);
-#endif
- return NULL;
-}
-
-/*
* Copy credentials for the new process created by fork()
*
* We share if we can, but under some circumstances we have to generate a new