[S390] dasd: fix idaw boundary checking for track based ccw

[safe/jmp/linux-2.6] / net / netlabel / netlabel_unlabeled.c

diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index e8a5c32..f3c5c68 100644 (file)
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -450,13 +450,13 @@ add_iface_failure:
  * success, negative values on failure.
  *
  */
-static int netlbl_unlhsh_add(struct net *net,
-                            const char *dev_name,
-                            const void *addr,
-                            const void *mask,
-                            u32 addr_len,
-                            u32 secid,
-                            struct netlbl_audit *audit_info)
+int netlbl_unlhsh_add(struct net *net,
+                     const char *dev_name,
+                     const void *addr,
+                     const void *mask,
+                     u32 addr_len,
+                     u32 secid,
+                     struct netlbl_audit *audit_info)
 {
        int ret_val;
        int ifindex;
@@ -562,7 +562,6 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
                                      const struct in_addr *mask,
                                      struct netlbl_audit *audit_info)
 {
-       int ret_val = 0;
        struct netlbl_af4list *list_entry;
        struct netlbl_unlhsh_addr4 *entry;
        struct audit_buffer *audit_buf;
@@ -574,9 +573,10 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
        list_entry = netlbl_af4list_remove(addr->s_addr, mask->s_addr,
                                           &iface->addr4_list);
        spin_unlock(&netlbl_unlhsh_lock);
-       if (list_entry == NULL)
-               ret_val = -ENOENT;
-       entry = netlbl_unlhsh_addr4_entry(list_entry);
+       if (list_entry != NULL)
+               entry = netlbl_unlhsh_addr4_entry(list_entry);
+       else
+               entry = NULL;
 
        audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
                                              audit_info);
@@ -587,19 +587,21 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
                                          addr->s_addr, mask->s_addr);
                if (dev != NULL)
                        dev_put(dev);
-               if (entry && security_secid_to_secctx(entry->secid,
-                                                     &secctx,
-                                                     &secctx_len) == 0) {
+               if (entry != NULL &&
+                   security_secid_to_secctx(entry->secid,
+                                            &secctx, &secctx_len) == 0) {
                        audit_log_format(audit_buf, " sec_obj=%s", secctx);
                        security_release_secctx(secctx, secctx_len);
                }
-               audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+               audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
                audit_log_end(audit_buf);
        }
 
-       if (ret_val == 0)
-               call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
-       return ret_val;
+       if (entry == NULL)
+               return -ENOENT;
+
+       call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
+       return 0;
 }
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -623,7 +625,6 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
                                      const struct in6_addr *mask,
                                      struct netlbl_audit *audit_info)
 {
-       int ret_val = 0;
        struct netlbl_af6list *list_entry;
        struct netlbl_unlhsh_addr6 *entry;
        struct audit_buffer *audit_buf;
@@ -634,9 +635,10 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
        spin_lock(&netlbl_unlhsh_lock);
        list_entry = netlbl_af6list_remove(addr, mask, &iface->addr6_list);
        spin_unlock(&netlbl_unlhsh_lock);
-       if (list_entry == NULL)
-               ret_val = -ENOENT;
-       entry = netlbl_unlhsh_addr6_entry(list_entry);
+       if (list_entry != NULL)
+               entry = netlbl_unlhsh_addr6_entry(list_entry);
+       else
+               entry = NULL;
 
        audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
                                              audit_info);
@@ -647,19 +649,21 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
                                          addr, mask);
                if (dev != NULL)
                        dev_put(dev);
-               if (entry && security_secid_to_secctx(entry->secid,
-                                                     &secctx,
-                                                     &secctx_len) == 0) {
+               if (entry != NULL &&
+                   security_secid_to_secctx(entry->secid,
+                                            &secctx, &secctx_len) == 0) {
                        audit_log_format(audit_buf, " sec_obj=%s", secctx);
                        security_release_secctx(secctx, secctx_len);
                }
-               audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+               audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
                audit_log_end(audit_buf);
        }
 
-       if (ret_val == 0)
-               call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
-       return ret_val;
+       if (entry == NULL)
+               return -ENOENT;
+
+       call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
+       return 0;
 }
 #endif /* IPv6 */
 
@@ -716,12 +720,12 @@ unlhsh_condremove_failure:
  * Returns zero on success, negative values on failure.
  *
  */
-static int netlbl_unlhsh_remove(struct net *net,
-                               const char *dev_name,
-                               const void *addr,
-                               const void *mask,
-                               u32 addr_len,
-                               struct netlbl_audit *audit_info)
+int netlbl_unlhsh_remove(struct net *net,
+                        const char *dev_name,
+                        const void *addr,
+                        const void *mask,
+                        u32 addr_len,
+                        struct netlbl_audit *audit_info)
 {
        int ret_val;
        struct net_device *dev;