package/kernel/mac80211/patches/brcm/341-v5.1-brcmfmac-add-a-check-for-the-status-of-usb_register.patch

   1 From 42daad3343be4a4e1ee03e30a5f5cc731dadfef5 Mon Sep 17 00:00:00 2001
   2 From: Kangjie Lu <kjlu@umn.edu>
   3 Date: Tue, 25 Dec 2018 19:22:24 -0600
   4 Subject: [PATCH] brcmfmac: add a check for the status of usb_register
   5
   6 usb_register() may fail, so let's check its status and issue an error
   7 message if it fails.
   8
   9 Signed-off-by: Kangjie Lu <kjlu@umn.edu>
  10 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  11 ---
  12  drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 6 +++++-
  13  1 file changed, 5 insertions(+), 1 deletion(-)
  14
  15 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
  16 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
  17 @@ -1552,6 +1552,10 @@ void brcmf_usb_exit(void)
  18
  19  void brcmf_usb_register(void)
  20  {
  21 +       int ret;
  22 +
  23         brcmf_dbg(USB, "Enter\n");
  24 -       usb_register(&brcmf_usbdrvr);
  25 +       ret = usb_register(&brcmf_usbdrvr);
  26 +       if (ret)
  27 +               brcmf_err("usb_register failed %d\n", ret);
  28  }