DHCP: Fix a bogus gcc warning

diff --git a/src/dhcp.c b/src/dhcp.c
index 36374c4463a8bd1d3969ae8726d74c2e25ebeea9..428259cfb2b92a7eb1bb1b76ab0937c59876e54b 100644 (file)
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -1714,7 +1714,7 @@ send_message(struct interface *ifp, uint8_t type,
        struct in_addr from, to;
        unsigned int RT;
 
-       if (!callback) {
+       if (callback == NULL) {
                /* No carrier? Don't bother sending the packet. */
                if (ifp->carrier <= LINK_DOWN)
                        return;
@@ -1722,6 +1722,7 @@ send_message(struct interface *ifp, uint8_t type,
                    ifp->name,
                    ifo->options & DHCPCD_BOOTP ? "BOOTP" : get_dhcp_op(type),
                    state->xid);
+               RT = 0; /* bogus gcc warning */
        } else {
                if (state->interval == 0)
                        state->interval = 4;
@@ -1825,7 +1826,7 @@ out:
 fail:
        /* Even if we fail to send a packet we should continue as we are
         * as our failure timeouts will change out codepath when needed. */
-       if (callback)
+       if (callback != NULL)
                eloop_timeout_add_msec(ifp->ctx->eloop, RT, callback, ifp);
 }