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[173.230.104.22]) by smtp.gmail.com with ESMTPSA id t7sm14817847iom.27.2018.12.25.17.22.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 25 Dec 2018 17:22:53 -0800 (PST) From: Kangjie Lu To: kjlu@umn.edu Cc: pakki001@umn.edu, Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , Kalle Valo , "David S. Miller" , Pieter-Paul Giesberts , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] net: brcm80211: add a check for the status of usb_register Date: Tue, 25 Dec 2018 19:22:24 -0600 Message-Id: <20181226012227.70524-1-kjlu@umn.edu> X-Mailer: git-send-email 2.17.2 (Apple Git-113) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP usb_register() may fail, so let's check its status and issue an error message if it fails. Signed-off-by: Kangjie Lu --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) 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); }