staging: rtl8723bs: core: remove unneeded variable

Below are the changes:

Remove unneeded variable "u8 *pbuf" from function start_bss_network
argument as this can be get from first argument "padapter"

Remove the struct wlan_bssid_ex *network from createbss_hdl function
as this is only used to pass as second argument to start_bss_network()

Remove the struct mlme_priv *mlmepriv from rtw_ap_restore_network
function as this is only used to pass as second argument
to start_bss_network()

Signed-off-by: Saurav Girepunje <saurav.girepunje@google.com>
Link: https://lore.kernel.org/r/20210428154011.GA5571@user
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Fix Unneeded variable: "ret". Return "0"

coccicheck reported Unneeded variable ret at rtl8723bs/core/rtw_ap.c:1400.
Function "rtw_acl_remove_sta" always returns 0. Modified return type of the
function to void.

Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: core: rtw_ap: fix Unneeded variable: "ret". Return "0"

Function "rtw_sta_flush" always returns 0 value.
So change return type of rtw_sta_flush from int to void.

Same thing applies for rtw_hostapd_sta_flush

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
-----
Changes v2 -
change return type of rtw_sta_flush
Changes v3 -
fix indentaion issue
Changes v4 -
prepare patch on linux-next
Changes v5 -
cleanup subject and commit message

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: rtl8723bs: Replace license boilerplate with SPDX identifiers

This satisfies a checkpatch.pl warning and is the preferred method for
notating the license due to its lack of ambiguity.

Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: Add rtl8723bs sdio wifi driver

The rtl8723bs is found on quite a few systems used by Linux users,
such as on Atom systems (Intel Computestick and various other
Atom based devices) and on many (budget) ARM boards such as
the CHIP.

The plan moving forward with this is for the new clean,
written from scratch, rtl8xxxu driver to eventually gain
support for sdio devices. But there is no clear timeline
for that, so lets add this driver included in staging for now.

Cc: Bastien Nocera <hadess@hadess.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Jes Sorensen <jes.sorensen@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>