package/kernel/mac80211/patches/brcm/320-v4.21-0001-brcmfmac-Remove-firmware-loading-code-duplication.patch

   1 From a1a3b762163868ad07a4499a73df324f40d5ab0b Mon Sep 17 00:00:00 2001
   2 From: Hans de Goede <hdegoede@redhat.com>
   3 Date: Wed, 10 Oct 2018 13:00:58 +0200
   4 Subject: [PATCH] brcmfmac: Remove firmware-loading code duplication
   5
   6 brcmf_fw_request_next_item and brcmf_fw_request_done both have identical
   7 code to complete the fw-request depending on the item-type.
   8
   9 This commit adds a new brcmf_fw_complete_request helper removing this code
  10 duplication.
  11
  12 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  13 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  14 ---
  15  .../broadcom/brcm80211/brcmfmac/firmware.c         | 62 +++++++++++-----------
  16  1 file changed, 31 insertions(+), 31 deletions(-)
  17
  18 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
  19 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
  20 @@ -504,6 +504,34 @@ fail:
  21         return -ENOENT;
  22  }
  23
  24 +static int brcmf_fw_complete_request(const struct firmware *fw,
  25 +                                    struct brcmf_fw *fwctx)
  26 +{
  27 +       struct brcmf_fw_item *cur = &fwctx->req->items[fwctx->curpos];
  28 +       int ret = 0;
  29 +
  30 +       brcmf_dbg(TRACE, "firmware %s %sfound\n", cur->path, fw ? "" : "not ");
  31 +
  32 +       switch (cur->type) {
  33 +       case BRCMF_FW_TYPE_NVRAM:
  34 +               ret = brcmf_fw_request_nvram_done(fw, fwctx);
  35 +               break;
  36 +       case BRCMF_FW_TYPE_BINARY:
  37 +               if (fw)
  38 +                       cur->binary = fw;
  39 +               else
  40 +                       ret = -ENOENT;
  41 +               break;
  42 +       default:
  43 +               /* something fishy here so bail out early */
  44 +               brcmf_err("unknown fw type: %d\n", cur->type);
  45 +               release_firmware(fw);
  46 +               ret = -EINVAL;
  47 +       }
  48 +
  49 +       return (cur->flags & BRCMF_FW_REQF_OPTIONAL) ? 0 : ret;
  50 +}
  51 +
  52  static int brcmf_fw_request_next_item(struct brcmf_fw *fwctx, bool async)
  53  {
  54         struct brcmf_fw_item *cur;
  55 @@ -525,15 +553,7 @@ static int brcmf_fw_request_next_item(st
  56         if (ret < 0) {
  57                 brcmf_fw_request_done(NULL, fwctx);
  58         } else if (!async && fw) {
  59 -               brcmf_dbg(TRACE, "firmware %s %sfound\n", cur->path,
  60 -                         fw ? "" : "not ");
  61 -               if (cur->type == BRCMF_FW_TYPE_BINARY)
  62 -                       cur->binary = fw;
  63 -               else if (cur->type == BRCMF_FW_TYPE_NVRAM)
  64 -                       brcmf_fw_request_nvram_done(fw, fwctx);
  65 -               else
  66 -                       release_firmware(fw);
  67 -
  68 +               brcmf_fw_complete_request(fw, fwctx);
  69                 return -EAGAIN;
  70         }
  71         return 0;
  72 @@ -547,28 +567,8 @@ static void brcmf_fw_request_done(const
  73
  74         cur = &fwctx->req->items[fwctx->curpos];
  75
  76 -       brcmf_dbg(TRACE, "enter: firmware %s %sfound\n", cur->path,
  77 -                 fw ? "" : "not ");
  78 -
  79 -       if (!fw)
  80 -               ret = -ENOENT;
  81 -
  82 -       switch (cur->type) {
  83 -       case BRCMF_FW_TYPE_NVRAM:
  84 -               ret = brcmf_fw_request_nvram_done(fw, fwctx);
  85 -               break;
  86 -       case BRCMF_FW_TYPE_BINARY:
  87 -               cur->binary = fw;
  88 -               break;
  89 -       default:
  90 -               /* something fishy here so bail out early */
  91 -               brcmf_err("unknown fw type: %d\n", cur->type);
  92 -               release_firmware(fw);
  93 -               ret = -EINVAL;
  94 -               goto fail;
  95 -       }
  96 -
  97 -       if (ret < 0 && !(cur->flags & BRCMF_FW_REQF_OPTIONAL))
  98 +       ret = brcmf_fw_complete_request(fw, fwctx);
  99 +       if (ret < 0)
 100                 goto fail;
 101
 102         do {