package/kernel/mac80211/patches/brcm/104-v5.4-0004-brcmfmac-clear-events-in-brcmf_fweh_detach-will-alwa.patch

   1 From 0d91defd7bfc42c0ed053ba03b5ea2eff2e1d2f5 Mon Sep 17 00:00:00 2001
   2 From: Arend van Spriel <arend.vanspriel@broadcom.com>
   3 Date: Thu, 11 Jul 2019 11:05:09 +0200
   4 Subject: [PATCH 4/7] brcmfmac: clear events in brcmf_fweh_detach() will always
   5  fail
   6
   7 Clearing firmware events in brcmf_fweh_detach() is always failing
   8 because it is called only upon driver remove and communication
   9 with firmware is no longer possible.
  10
  11 Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
  12 Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
  13 Reviewed-by: Franky Lin <franky.lin@broadcom.com>
  14 Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  15 ---
  16  drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c | 9 ---------
  17  1 file changed, 9 deletions(-)
  18
  19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
  20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
  21 @@ -303,16 +303,7 @@ void brcmf_fweh_attach(struct brcmf_pub
  22  void brcmf_fweh_detach(struct brcmf_pub *drvr)
  23  {
  24         struct brcmf_fweh_info *fweh = &drvr->fweh;
  25 -       struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
  26 -       s8 eventmask[BRCMF_EVENTING_MASK_LEN];
  27
  28 -       if (ifp) {
  29 -               /* clear all events */
  30 -               memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN);
  31 -               (void)brcmf_fil_iovar_data_set(ifp, "event_msgs",
  32 -                                              eventmask,
  33 -                                              BRCMF_EVENTING_MASK_LEN);
  34 -       }
  35         /* cancel the worker */
  36         cancel_work_sync(&fweh->event_work);
  37         WARN_ON(!list_empty(&fweh->event_q));