When register_netdev fails, the lack of error-handling code may
cause unexpected results.
This patch adds error-handling code after calling register_netdev.
Signed-off-by: Zhouyang Jia <jiazhouyang09@xxxxxxxxx>
---
drivers/staging/rtl8712/hal_init.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index 2a3f074..2b47e75 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -40,6 +40,7 @@
static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
{
struct _adapter *padapter = context;
+ int rc;
complete(&padapter->rtl8712_fw_ready);
if (!firmware) {
@@ -53,7 +54,12 @@ static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
}
padapter->fw = firmware;
/* firmware available - start netdev */
- register_netdev(padapter->pnetdev);
+ rc = register_netdev(padapter->pnetdev);
+ if (rc) {
+ struct usb_device *udev = padapter->dvobjpriv.pusbdev;
+
+ dev_err(&udev->dev, "r8712u: Unable to register netdev\n");
+ }
}
static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
--
2.7.4
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