xnu-4903.270.47.tar.gz

[apple/xnu.git] / security / mac_label.c

diff --git a/security/mac_label.c b/security/mac_label.c
index b05c43b84e59c7dbf1583c7b11f82e01a121a37d..ca6777d0db7b0a27e2d0a60926e435d35f9e8f5c 100644 (file)
--- a/security/mac_label.c
+++ b/security/mac_label.c
@@ -42,7 +42,6 @@ static zone_t zone_label;
 void
 mac_labelzone_init(void)
 {
-
        zone_label = zinit(sizeof(struct label),
            8192 * sizeof(struct label),
            sizeof(struct label), "MAC Labels");
@@ -56,27 +55,30 @@ mac_labelzone_alloc(int flags)
 {
        struct label *l;
 
-       if (flags & MAC_NOWAIT) 
+       if (flags & MAC_NOWAIT) {
                l = (struct label *) zalloc_noblock(zone_label);
-       else
+       } else {
                l = (struct label *) zalloc(zone_label);
-       if (l == NULL)
-               return (NULL);
+       }
+       if (l == NULL) {
+               return NULL;
+       }
 
        bzero(l, sizeof(struct label));
        l->l_flags = MAC_FLAG_INITIALIZED;
-       return (l);
+       return l;
 }
 
 void
 mac_labelzone_free(struct label *l)
 {
-
-       if (l == NULL)
+       if (l == NULL) {
                panic("Free of NULL MAC label\n");
+       }
 
-       if ((l->l_flags & MAC_FLAG_INITIALIZED) == 0)
+       if ((l->l_flags & MAC_FLAG_INITIALIZED) == 0) {
                panic("Free of uninitialized label\n");
+       }
        bzero(l, sizeof(struct label));
        zfree(zone_label, l);
 }
@@ -89,7 +91,7 @@ mac_label_get(struct label *l, int slot)
 {
        KASSERT(l != NULL, ("mac_label_get: NULL label"));
 
-       return ((intptr_t) (l->l_perpolicy[slot].l_ptr));
+       return (intptr_t) (l->l_perpolicy[slot].l_ptr);
 }
 
 void
@@ -99,4 +101,3 @@ mac_label_set(struct label *l, int slot, intptr_t v)
 
        l->l_perpolicy[slot].l_ptr = (void *) v;
 }
-