udhcpd: fix a bug in add_lease where it was reading at [-1]

It is not correct when we read lease file!

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

1 files changed, 5 insertions, 1 deletions

diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c
index 35592153b..1b2cc96f4 100644
--- a/networking/udhcp/files.c
+++ b/networking/udhcp/files.c
@@ -420,7 +420,11 @@ void FAST_FUNC read_leases(const char *file)
                                 continue;
                         /* NB: add_lease takes "relative time", IOW,
                          * lease duration, not lease deadline. */
-                        if (!(add_lease(lease.lease_mac, lease.lease_nip, expires, lease.hostname))) {
+                        if (add_lease(lease.lease_mac, lease.lease_nip,
+                                        expires,
+                                        lease.hostname, sizeof(lease.hostname)
+                                ) == 0
+                        ) {
                                 bb_error_msg("too many leases while loading %s", file);
                                 break;
                         }