staging: rtl8192e: rtl8192e: rtl_core.c: Audit the return value of register_netdev()

Inspect the return value of register_netdev() in the driver probe routine and
return -ENODEV in case of error.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 81134d3..f68df24 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2955,7 +2955,8 @@ static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
        netif_carrier_off(dev);
        netif_stop_queue(dev);
 
-       register_netdev(dev);
+       if (register_netdev(dev))
+               goto err_free_irq;
        RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
 
        rtl8192_proc_init_one(dev);