udhcpc6: preparatory patch, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 37 insertions, 37 deletions

diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 65ff5deab..57ad968cd 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -1589,44 +1589,44 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
  * .                                                               .
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
-                                free(client6_data.ia_na);
-                                client6_data.ia_na = d6_copy_option(packet.d6_options, packet_end, D6_OPT_IA_NA);
-                                if (!client6_data.ia_na) {
-                                        bb_error_msg("no %s option, ignoring packet", "IA_NA");
-                                        continue;
-                                }
-                                if (client6_data.ia_na->len < (4 + 4 + 4) + (2 + 2 + 16 + 4 + 4)) {
-                                        bb_error_msg("IA_NA option is too short:%d bytes", client6_data.ia_na->len);
-                                        continue;
-                                }
-                                iaaddr = d6_find_option(client6_data.ia_na->data + 4 + 4 + 4,
-                                                client6_data.ia_na->data + client6_data.ia_na->len,
-                                                D6_OPT_IAADDR
-                                );
-                                if (!iaaddr) {
-                                        bb_error_msg("no %s option, ignoring packet", "IAADDR");
-                                        continue;
-                                }
-                                if (iaaddr->len < (16 + 4 + 4)) {
-                                        bb_error_msg("IAADDR option is too short:%d bytes", iaaddr->len);
-                                        continue;
-                                }
-                                /* Note: the address is sufficiently aligned for cast:
-                                 * we _copied_ IA-NA, and copy is always well-aligned.
-                                 */
-                                requested_ipv6 = (struct in6_addr*) iaaddr->data;
-                                move_from_unaligned32(lease_seconds, iaaddr->data + 16 + 4);
-                                lease_seconds = ntohl(lease_seconds);
-                                /* paranoia: must not be too small and not prone to overflows */
-                                if (lease_seconds < 0x10)
-                                        lease_seconds = 0x10;
+                                        free(client6_data.ia_na);
+                                        client6_data.ia_na = d6_copy_option(packet.d6_options, packet_end, D6_OPT_IA_NA);
+                                        if (!client6_data.ia_na) {
+                                                bb_error_msg("no %s option, ignoring packet", "IA_NA");
+                                                continue;
+                                        }
+                                        if (client6_data.ia_na->len < (4 + 4 + 4) + (2 + 2 + 16 + 4 + 4)) {
+                                                bb_error_msg("IA_NA option is too short:%d bytes", client6_data.ia_na->len);
+                                                continue;
+                                        }
+                                        iaaddr = d6_find_option(client6_data.ia_na->data + 4 + 4 + 4,
+                                                        client6_data.ia_na->data + client6_data.ia_na->len,
+                                                        D6_OPT_IAADDR
+                                        );
+                                        if (!iaaddr) {
+                                                bb_error_msg("no %s option, ignoring packet", "IAADDR");
+                                                continue;
+                                        }
+                                        if (iaaddr->len < (16 + 4 + 4)) {
+                                                bb_error_msg("IAADDR option is too short:%d bytes", iaaddr->len);
+                                                continue;
+                                        }
+                                        /* Note: the address is sufficiently aligned for cast:
+                                         * we _copied_ IA-NA, and copy is always well-aligned.
+                                         */
+                                        requested_ipv6 = (struct in6_addr*) iaaddr->data;
+                                        move_from_unaligned32(lease_seconds, iaaddr->data + 16 + 4);
+                                        lease_seconds = ntohl(lease_seconds);
+                                        /* paranoia: must not be too small and not prone to overflows */
+                                        if (lease_seconds < 0x10)
+                                                lease_seconds = 0x10;
 /// TODO: check for 0 lease time?
-                                if (lease_seconds > 0x7fffffff / 1000)
-                                        lease_seconds = 0x7fffffff / 1000;
-                                /* enter bound state */
-                                timeout = lease_seconds / 2;
-                                bb_error_msg("lease obtained, lease time %u",
-                                        /*inet_ntoa(temp_addr),*/ (unsigned)lease_seconds);
+                                        if (lease_seconds > 0x7fffffff / 1000)
+                                                lease_seconds = 0x7fffffff / 1000;
+                                        /* enter bound state */
+                                        timeout = lease_seconds / 2;
+                                        bb_error_msg("lease obtained, lease time %u",
+                                                /*inet_ntoa(temp_addr),*/ (unsigned)lease_seconds);
                                 d6_run_script(&packet, state == REQUESTING ? "bound" : "renew");
 
                                 state = BOUND;