Commit 4a5d6ba1 authored by David Howells's avatar David Howells Committed by James Morris

CRED: Allow put_cred() to cope with a NULL groups list

put_cred() will oops if given a NULL groups list, but that is now possible with
the existence of cred_alloc_blank(), as used in keyctl_session_to_parent().

Added in commit:

	commit ee18d64c
	Author: David Howells <dhowells@redhat.com>
	Date:   Wed Sep 2 09:14:21 2009 +0100
	KEYS: Add a keyctl to install a process's session keyring on its parent [try #6]
Reported-by: default avatarMarc Dionne <marc.c.dionne@gmail.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent 4e6d0bff
...@@ -147,7 +147,8 @@ static void put_cred_rcu(struct rcu_head *rcu) ...@@ -147,7 +147,8 @@ static void put_cred_rcu(struct rcu_head *rcu)
key_put(cred->thread_keyring); key_put(cred->thread_keyring);
key_put(cred->request_key_auth); key_put(cred->request_key_auth);
release_tgcred(cred); release_tgcred(cred);
put_group_info(cred->group_info); if (cred->group_info)
put_group_info(cred->group_info);
free_uid(cred->user); free_uid(cred->user);
kmem_cache_free(cred_jar, cred); kmem_cache_free(cred_jar, cred);
} }
......
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