Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull security subsystem updates from James Morris:
 "Highlights:

  IMA:
   - provide ">" and "<" operators for fowner/uid/euid rules

  KEYS:
   - add a system blacklist keyring

   - add KEYCTL_RESTRICT_KEYRING, exposes keyring link restriction
     functionality to userland via keyctl()

  LSM:
   - harden LSM API with __ro_after_init

   - add prlmit security hook, implement for SELinux

   - revive security_task_alloc hook

  TPM:
   - implement contextual TPM command 'spaces'"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (98 commits)
  tpm: Fix reference count to main device
  tpm_tis: convert to using locality callbacks
  tpm: fix handling of the TPM 2.0 event logs
  tpm_crb: remove a cruft constant
  keys: select CONFIG_CRYPTO when selecting DH / KDF
  apparmor: Make path_max parameter readonly
  apparmor: fix parameters so that the permission test is bypassed at boot
  apparmor: fix invalid reference to index variable of iterator line 836
  apparmor: use SHASH_DESC_ON_STACK
  security/apparmor/lsm.c: set debug messages
  apparmor: fix boolreturn.cocci warnings
  Smack: Use GFP_KERNEL for smk_netlbl_mls().
  smack: fix double free in smack_parse_opts_str()
  KEYS: add SP800-56A KDF support for DH
  KEYS: Keyring asymmetric key restrict method with chaining
  KEYS: Restrict asymmetric key linkage using a specific keychain
  KEYS: Add a lookup_restriction function for the asymmetric key type
  KEYS: Add KEYCTL_RESTRICT_KEYRING
  KEYS: Consistent ordering for __key_link_begin and restrict check
  KEYS: Add an optional lookup_restriction hook to key_type
  ...

1 files changed, 5 insertions, 5 deletions

diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 2cc496149842..3858706a29fb 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -17,15 +17,15 @@ struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *
 	u32 i;
 
 	p = kzalloc(sizeof(*p), GFP_KERNEL);
-	if (p == NULL)
+	if (!p)
 		return p;
 
 	p->size = size;
 	p->nel = 0;
 	p->hash_value = hash_value;
 	p->keycmp = keycmp;
-	p->htable = kmalloc(sizeof(*(p->htable)) * size, GFP_KERNEL);
-	if (p->htable == NULL) {
+	p->htable = kmalloc_array(size, sizeof(*p->htable), GFP_KERNEL);
+	if (!p->htable) {
 		kfree(p);
 		return NULL;
 	}
@@ -58,7 +58,7 @@ int hashtab_insert(struct hashtab *h, void *key, void *datum)
 		return -EEXIST;
 
 	newnode = kzalloc(sizeof(*newnode), GFP_KERNEL);
-	if (newnode == NULL)
+	if (!newnode)
 		return -ENOMEM;
 	newnode->key = key;
 	newnode->datum = datum;
@@ -87,7 +87,7 @@ void *hashtab_search(struct hashtab *h, const void *key)
 	while (cur && h->keycmp(h, key, cur->key) > 0)
 		cur = cur->next;
 
-	if (cur == NULL || (h->keycmp(h, key, cur->key) != 0))
+	if (!cur || (h->keycmp(h, key, cur->key) != 0))
 		return NULL;
 
 	return cur->datum;