keys: sparse: Fix incorrect RCU accesses
Fix a pair of accesses that should be using RCU protection.
rcu_dereference_protected() is needed to access task_struct::real_parent.
current_cred() should be used to access current->cred.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index bda6201..572c7a6 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -152,7 +152,7 @@ struct key *request_key_auth_new(struct key *target, const char *op,
struct key *dest_keyring)
{
struct request_key_auth *rka, *irka;
- const struct cred *cred = current->cred;
+ const struct cred *cred = current_cred();
struct key *authkey = NULL;
char desc[20];
int ret = -ENOMEM;