NULL checks should be performed before the dereference.

Spotted by the Coverity checker.
Signed-off-by: NEugene Teo <eteo@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Use standard IW_MODE_* constants instead.
Signed-off-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Also change WEPstatus to "wep_enabled"; it's clearer and consistent with the
WPAenabled and WPA2enabled members.
Signed-off-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Remove WLAN_802_11_AUTHENTICATION_MODE enum and use IW_AUTH_ALG_* instead.
Signed-off-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Remove setencryptionmode private ioctl and Encryptionmode variable.

Mostly unused, and its functionality is provided by other internal members
like WEPstatus, WPAenabled, WPA2enabled, and SIOCSIWGENIE.
Signed-off-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Useless; it set an internal variable that was unused anyway.
A supplicant handles all 802.1x authentication, not the driver.
Signed-off-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Add the Marvell Libertas 8388 802.11 USB driver.
Signed-off-by: NMarcelo Tosatti <marcelo@kvack.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>