Fix iwx(4) firmware reloading after a failure to parse the firmware file.

Noticed by Peter N. M. Hansteen

This issue will also be fixed in iwm(4) soon, along with a firmware update.

diff --git a/sys/dev/pci/if_iwx.c b/sys/dev/pci/if_iwx.c
index 6030404..2c9a217 100644 (file)
--- a/sys/dev/pci/if_iwx.c
+++ b/sys/dev/pci/if_iwx.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_iwx.c,v 1.57 2021/05/31 08:43:07 stsp Exp $        */
+/*     $OpenBSD: if_iwx.c,v 1.58 2021/06/01 12:33:54 stsp Exp $        */
 
 /*
  * Copyright (c) 2014, 2016 genua gmbh <info@genua.de>
@@ -987,6 +987,8 @@ iwx_read_firmware(struct iwx_softc *sc)
        sc->sc_capaflags = 0;
        sc->sc_capa_n_scan_channels = IWX_DEFAULT_SCAN_CHANNELS;
        memset(sc->sc_enabled_capa, 0, sizeof(sc->sc_enabled_capa));
+       memset(sc->sc_ucode_api, 0, sizeof(sc->sc_ucode_api));
+       sc->n_cmd_versions = 0;
 
        uhdr = (void *)fw->fw_rawdata;
        if (*(uint32_t *)fw->fw_rawdata != 0