lsm: integrate lsm_early_cred() and lsm_early_task() into caller

With only one caller of lsm_early_cred() and lsm_early_task(), insert
the functions' code directly into the caller and ger rid of the two
functions.

Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: John Johansen <john.johhansen@canonical.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

Author: pcmoore

security/lsm_init.c

@@ -291,34 +291,6 @@ static void __init ordered_lsm_parse(const char *order, const char *origin)
 	kfree(sep);
 }
 
-/**
- * lsm_early_cred - during initialization allocate a composite cred blob
- * @cred: the cred that needs a blob
- *
- * Allocate the cred blob for all the modules
- */
-static void __init lsm_early_cred(struct cred *cred)
-{
-	int rc = lsm_cred_alloc(cred, GFP_KERNEL);
-
-	if (rc)
-		panic("%s: Early cred alloc failed.\n", __func__);
-}
-
-/**
- * lsm_early_task - during initialization allocate a composite task blob
- * @task: the task that needs a blob
- *
- * Allocate the task blob for all the modules
- */
-static void __init lsm_early_task(struct task_struct *task)
-{
-	int rc = lsm_task_alloc(task);
-
-	if (rc)
-		panic("%s: Early task alloc failed.\n", __func__);
-}
-
 static void __init ordered_lsm_init(void)
 {
 	unsigned int first = 0;
@@ -382,8 +354,11 @@ static void __init ordered_lsm_init(void)
 						    blob_sizes.lbs_inode, 0,
 						    SLAB_PANIC, NULL);
 
-	lsm_early_cred((struct cred *) current->cred);
-	lsm_early_task(current);
+	if (lsm_cred_alloc((struct cred __rcu *)current->cred, GFP_KERNEL))
+		panic("%s: early cred alloc failed.\n", __func__);
+	if (lsm_task_alloc(current))
+		panic("%s: early task alloc failed.\n", __func__);
+
 	lsm_order_for_each(lsm) {
 		initialize_lsm(*lsm);
 	}