rtl8xxxu: Fix error handling if rtl8xxxu_init_device() fails
authorJes Sorensen <Jes.Sorensen@redhat.com>
Fri, 19 Aug 2016 21:46:25 +0000 (17:46 -0400)
committerKalle Valo <kvalo@codeaurora.org>
Sat, 3 Sep 2016 16:57:10 +0000 (19:57 +0300)
For some reason we lost the code bailing if rtl8xxxu_init_device()
returned an error.

This catches the error and also cleans up the error handling.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

index ca4c40d..9c6305b 100644 (file)
@@ -5947,7 +5947,7 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
        struct ieee80211_hw *hw;
        struct usb_device *udev;
        struct ieee80211_supported_band *sband;
-       int ret = 0;
+       int ret;
        int untested = 1;
 
        udev = usb_get_dev(interface_to_usbdev(interface));
@@ -5995,6 +5995,7 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
        hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops);
        if (!hw) {
                ret = -ENOMEM;
+               priv = NULL;
                goto exit;
        }
 
@@ -6043,6 +6044,8 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
        }
 
        ret = rtl8xxxu_init_device(hw);
+       if (ret)
+               goto exit;
 
        hw->wiphy->max_scan_ssids = 1;
        hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
@@ -6093,9 +6096,20 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
                goto exit;
        }
 
+       return 0;
+
 exit:
-       if (ret < 0)
-               usb_put_dev(udev);
+       usb_set_intfdata(interface, NULL);
+
+       if (priv) {
+               kfree(priv->fw_data);
+               mutex_destroy(&priv->usb_buf_mutex);
+               mutex_destroy(&priv->h2c_mutex);
+       }
+       usb_put_dev(udev);
+
+       ieee80211_free_hw(hw);
+
        return ret;
 }