staging: rtl8712: usb_intf.c: Fix for possible null pointer dereference

There is otherwise a risk of a possible null pointer dereference.

Was largely found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rickard Strandqvist 2014-05-20 23:34:25 +02:00 committed by Greg Kroah-Hartman
parent 265b8e5f85
commit ac082bc52d

View File

@ -595,7 +595,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
error:
usb_put_dev(udev);
usb_set_intfdata(pusb_intf, NULL);
if (padapter->dvobj_deinit != NULL)
if (padapter && padapter->dvobj_deinit != NULL)
padapter->dvobj_deinit(padapter);
if (pnetdev)
free_netdev(pnetdev);