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, 3 insertions, 2 deletions

diff --git a/networking/udhcp/dhcpd.h b/networking/udhcp/dhcpd.h
index 67cb78ce7..4f6b73e34 100644
--- a/networking/udhcp/dhcpd.h
+++ b/networking/udhcp/dhcpd.h
@@ -89,7 +89,7 @@ struct dyn_lease {
          * (dhcp packet has chaddr[16], not [6])
          */
         uint8_t lease_mac[6];
-        uint8_t hostname[20];
+        char hostname[20];
         uint8_t pad[2];
         /* total size is a multiply of 4 */
 } PACKED;
@@ -98,7 +98,8 @@ extern struct dyn_lease *g_leases;
 
 struct dyn_lease *add_lease(
                 const uint8_t *chaddr, uint32_t yiaddr,
-                leasetime_t leasetime, uint8_t *hostname
+                leasetime_t leasetime,
+                const char *hostname, int hostname_len
                 ) FAST_FUNC;
 int is_expired_lease(struct dyn_lease *lease) FAST_FUNC;
 struct dyn_lease *find_lease_by_mac(const uint8_t *mac) FAST_FUNC;