p++;
 
        delim = *p;
-       if (delim != 0)
-               *p++ = 0;
+       if (delim != '\0')
+               *p++ = '\0';
 
        for (l = 0; l < 2; l++) {
                levdatum = hashtab_search(pol->p_levels.table, scontextp);
                                while (*p && *p != ',' && *p != '-')
                                        p++;
                                delim = *p;
-                               if (delim != 0)
-                                       *p++ = 0;
+                               if (delim != '\0')
+                                       *p++ = '\0';
 
                                /* Separate into range if exists */
                                rngptr = strchr(scontextp, '.');
                                if (rngptr != NULL) {
                                        /* Remove '.' */
-                                       *rngptr++ = 0;
+                                       *rngptr++ = '\0';
                                }
 
                                catdatum = hashtab_search(pol->p_cats.table,
                                p++;
 
                        delim = *p;
-                       if (delim != 0)
-                               *p++ = 0;
+                       if (delim != '\0')
+                               *p++ = '\0';
                } else
                        break;
        }
 
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        rc = hashtab_insert(h, key, perdatum);
        if (rc)
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        for (i = 0; i < nel; i++) {
                rc = perm_read(p, comdatum->permissions.table, fp);
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        if (len2) {
                cladatum->comkey = kmalloc(len2 + 1, GFP_KERNEL);
                rc = next_entry(cladatum->comkey, fp, len2);
                if (rc < 0)
                        goto bad;
-               cladatum->comkey[len2] = 0;
+               cladatum->comkey[len2] = '\0';
 
                cladatum->comdatum = hashtab_search(p->p_commons.table,
                                                    cladatum->comkey);
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        rc = ebitmap_read(&role->dominates, fp);
        if (rc)
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        rc = hashtab_insert(h, key, typdatum);
        if (rc)
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        rc = ebitmap_read(&usrdatum->roles, fp);
        if (rc)
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        levdatum->level = kmalloc(sizeof(struct mls_level), GFP_ATOMIC);
        if (!levdatum->level) {
        rc = next_entry(key, fp, len);
        if (rc < 0)
                goto bad;
-       key[len] = 0;
+       key[len] = '\0';
 
        rc = hashtab_insert(h, key, catdatum);
        if (rc)
                kfree(policydb_str);
                goto bad;
        }
-       policydb_str[len] = 0;
+       policydb_str[len] = '\0';
        if (strcmp(policydb_str, POLICYDB_STRING)) {
                printk(KERN_ERR "SELinux:  policydb string %s does not match "
                       "my string %s\n", policydb_str, POLICYDB_STRING);