Fix checks for error return from urtw_alloc_rx_data_list() and

urtw_alloc_tx_data_list() in 8187b init.

From James Jerkins, thanks.

diff --git a/sys/dev/usb/if_urtw.c b/sys/dev/usb/if_urtw.c
index e5d6a95..717f1ab 100644 (file)
--- a/sys/dev/usb/if_urtw.c
+++ b/sys/dev/usb/if_urtw.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_urtw.c,v 1.66 2017/08/18 00:49:51 kevlo Exp $      */
+/*     $OpenBSD: if_urtw.c,v 1.67 2018/01/23 02:53:26 kevlo Exp $      */
 
 /*-
  * Copyright (c) 2009 Martynas Venckus <martynas@openbsd.org>
@@ -3596,7 +3596,6 @@ urtw_8187b_init(struct ifnet *ifp)
        struct urtw_softc *sc = ifp->if_softc;
        struct urtw_rf *rf = &sc->sc_rf;
        struct ieee80211com *ic = &sc->sc_ic;
-       int ret;
        uint8_t data;
        usbd_status error;
 
@@ -3685,10 +3684,10 @@ urtw_8187b_init(struct ifnet *ifp)
                error = urtw_open_pipes(sc);
                if (error != 0)
                        goto fail;
-               ret = urtw_alloc_rx_data_list(sc);
+               error = urtw_alloc_rx_data_list(sc);
                if (error != 0)
                        goto fail;
-               ret = urtw_alloc_tx_data_list(sc);
+               error = urtw_alloc_tx_data_list(sc);
                if (error != 0)
                        goto fail;
                sc->sc_flags |= URTW_INIT_ONCE;