[PATCH] rtl8712: add a check for the status of register_netdev

From: Kangjie Lu
Date: Tue Dec 25 2018 - 20:31:13 EST


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

Signed-off-by: Kangjie Lu <kjlu@xxxxxxx>
---
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 7cdd609cab6c..7e2f8e0185d5 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)
}
padapter->fw = firmware;
/* firmware available - start netdev */
- register_netdev(padapter->pnetdev);
+ if (register_netdev(padapter->pnetdev))
+ dev_err(&udev->dev, "r8712u: Registering netdev failed\n");
}

static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
--
2.17.2 (Apple Git-113)