From: Kangjie Lu <kjlu@umn.edu>
Date: Wed, 26 Dec 2018 01:22:24 +0000 (-0600)
Subject: brcmfmac: add a check for the status of usb_register
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=42daad3343be4a4e1ee03e30a5f5cc731dadfef5;p=android-x86%2Fkernel.git

brcmfmac: add a check for the status of usb_register

usb_register() may fail, so let's check its status and issue an error
message if it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index a4308c6e72d7..76cfaf6999c8 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -1550,6 +1550,10 @@ void brcmf_usb_exit(void)
 
 void brcmf_usb_register(void)
 {
+	int ret;
+
 	brcmf_dbg(USB, "Enter\n");
-	usb_register(&brcmf_usbdrvr);
+	ret = usb_register(&brcmf_usbdrvr);
+	if (ret)
+		brcmf_err("usb_register failed %d\n", ret);
 }