[PATCH] selinux: Fix NULL deref in policydb_destroy

[linux-2.6.git] / security / selinux / ss / policydb.c

diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 0a758323a9cf61b10678d7308a87fc05316129cf..8e6262d12aa9bfaa97d3641946d6ae32fa132e54 100644 (file)
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -650,8 +650,10 @@ void policydb_destroy(struct policydb *p)
        }
        if (lrt) kfree(lrt);
 
-       for (i = 0; i < p->p_types.nprim; i++)
-               ebitmap_destroy(&p->type_attr_map[i]);
+       if (p->type_attr_map) {
+               for (i = 0; i < p->p_types.nprim; i++)
+                       ebitmap_destroy(&p->type_attr_map[i]);
+       }
        kfree(p->type_attr_map);
 
        return;