[PATCH] staging: rtl8712: check register_netdev() return value

[shaojie . dong]

From: "shaojie.dong" <shaojie.d...@isrc.iscas.ac.cn>

Function register_netdev() can fail, so we should check it's return value

Signed-off-by: shaojie.dong <shaojie.d...@isrc.iscas.ac.cn>
---
 drivers/staging/rtl8712/hal_init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/hal_init.c 
b/drivers/staging/rtl8712/hal_init.c
index 715f1fe8b..fbcc6de1b 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -45,7 +45,8 @@ static void rtl871x_load_fw_cb(const struct firmware 
*firmware, void *context)
        }
        adapter->fw = firmware;
        /* firmware available - start netdev */
-       register_netdev(adapter->pnetdev);
+       if (register_netdev(adapter->pnetdev) != 0)
+               dev_err(&udev->dev, "r8712u: register_netdev() failed\n");
        complete(&adapter->rtl8712_fw_ready);
 }
 
-- 
2.17.0