staging: rtl8192su: check whether requests succeeded

rtl8192_usb_probe() does not check alloc_ieee80211() and
register_netdev() return values for errors.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 90ab1aa5f8a..fcd05304b47 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -7380,6 +7380,8 @@ static int __devinit rtl8192_usb_probe(struct usb_interface *intf,
         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
 
         dev = alloc_ieee80211(sizeof(struct r8192_priv));
+        if (dev == NULL)
+                return -ENOMEM;
 
         usb_set_intfdata(intf, dev);
         SET_NETDEV_DEV(dev, &intf->dev);
@@ -7417,7 +7419,8 @@ static int __devinit rtl8192_usb_probe(struct usb_interface *intf,
         netif_carrier_off(dev);
         netif_stop_queue(dev);
 
-        register_netdev(dev);
+        if (register_netdev(dev))
+                goto fail;
         RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
         rtl8192_proc_init_one(dev);