On Thu, Jan 06, 2022 at 11:11:52PM +0530, Abdun Nihaal wrote:
> Some functions in ioctl_linux.c always returns 0 and their return values
> are never used. Change return type of such functions to void.
>
> While at it, align function arguments with open parenthesis to fix
> checkpatch checks.
>
> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Abdun Nihaal <abdun.nihaal@xxxxxxxxx>
> ---
> drivers/staging/r8188eu/os_dep/ioctl_linux.c | 115 ++++++++++---------
> 1 file changed, 58 insertions(+), 57 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> index 6d8adbee85f3..08914b246380 100644
> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> @@ -2308,9 +2308,9 @@ static int rtw_wext_p2p_enable(struct net_device *dev,
> return ret;
> }
>
> -static int rtw_p2p_set_go_nego_ssid(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_set_go_nego_ssid(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -2319,7 +2319,7 @@ static int rtw_p2p_set_go_nego_ssid(struct net_device *dev,
> memcpy(pwdinfo->nego_ssid, extra, strlen(extra));
> pwdinfo->nego_ssidlen = strlen(extra);
>
> - return 0;
> + return;
> }
>
> static int rtw_p2p_set_intent(struct net_device *dev,
> @@ -2455,9 +2455,9 @@ static int rtw_p2p_profilefound(struct net_device *dev,
> return ret;
> }
>
> -static int rtw_p2p_setDN(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_setDN(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -2467,10 +2467,10 @@ static int rtw_p2p_setDN(struct net_device *dev,
> memcpy(pwdinfo->device_name, extra, wrqu->data.length - 1);
> pwdinfo->device_name_len = wrqu->data.length - 1;
>
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_status(struct net_device *dev,
> +static void rtw_p2p_get_status(struct net_device *dev,
> struct iw_request_info *info,
> union iwreq_data *wrqu, char *extra)
> {
> @@ -2488,7 +2488,7 @@ static int rtw_p2p_get_status(struct net_device *dev,
> sprintf(extra, "\n\nStatus =%.2d\n", rtw_p2p_state(pwdinfo));
> wrqu->data.length = strlen(extra);
>
> - return 0;
> + return;
> }
>
> /* Commented by Albert 20110520 */
> @@ -2496,7 +2496,7 @@ static int rtw_p2p_get_status(struct net_device *dev,
> /* This config method description will show us which config method the remote P2P device is intended to use */
> /* by sending the provisioning discovery request frame. */
>
> -static int rtw_p2p_get_req_cm(struct net_device *dev,
> +static void rtw_p2p_get_req_cm(struct net_device *dev,
> struct iw_request_info *info,
> union iwreq_data *wrqu, char *extra)
> {
> @@ -2505,12 +2505,12 @@ static int rtw_p2p_get_req_cm(struct net_device *dev,
>
> sprintf(extra, "\n\nCM =%s\n", pwdinfo->rx_prov_disc_info.strconfig_method_desc_of_prov_disc_req);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_role(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_role(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -2521,12 +2521,12 @@ static int rtw_p2p_get_role(struct net_device *dev,
>
> sprintf(extra, "\n\nRole =%.2d\n", rtw_p2p_role(pwdinfo));
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_peer_ifaddr(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_peer_ifaddr(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -2537,12 +2537,12 @@ static int rtw_p2p_get_peer_ifaddr(struct net_device *dev,
> sprintf(extra, "\nMAC %pM",
> pwdinfo->p2p_peer_interface_addr);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_peer_devaddr(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_peer_devaddr(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
>
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> @@ -2554,12 +2554,13 @@ static int rtw_p2p_get_peer_devaddr(struct net_device *dev,
> sprintf(extra, "\n%pM",
> pwdinfo->rx_prov_disc_info.peerDevAddr);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_peer_devaddr_by_invitation(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_peer_devaddr_by_invitation(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu,
> + char *extra)
>
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> @@ -2571,12 +2572,12 @@ static int rtw_p2p_get_peer_devaddr_by_invitation(struct net_device *dev,
> sprintf(extra, "\nMAC %pM",
> pwdinfo->p2p_peer_device_addr);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_groupid(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_groupid(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
>
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> @@ -2588,12 +2589,12 @@ static int rtw_p2p_get_groupid(struct net_device *dev,
> pwdinfo->groupid_info.go_device_addr[4], pwdinfo->groupid_info.go_device_addr[5],
> pwdinfo->groupid_info.ssid);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_get_op_ch(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_get_op_ch(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
>
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> @@ -2603,7 +2604,7 @@ static int rtw_p2p_get_op_ch(struct net_device *dev,
>
> sprintf(extra, "\n\nOp_ch =%.2d\n", pwdinfo->operating_channel);
> wrqu->data.length = strlen(extra);
> - return 0;
> + return;
> }
>
> static int rtw_p2p_get_wps_configmethod(struct net_device *dev,
> @@ -3049,9 +3050,9 @@ static int rtw_p2p_connect(struct net_device *dev,
> return ret;
> }
>
> -static int rtw_p2p_invite_req(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_invite_req(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -3076,12 +3077,12 @@ static int rtw_p2p_invite_req(struct net_device *dev,
>
> if (wrqu->data.length <= 37) {
> DBG_88E("[%s] Wrong format!\n", __func__);
> - return 0;
> + return;
> }
>
> if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
> DBG_88E("[%s] WiFi Direct is disable!\n", __func__);
> - return 0;
> + return;
> } else {
> /* Reset the content of struct tx_invite_req_info */
> pinvite_req_info->benable = false;
> @@ -3154,12 +3155,12 @@ static int rtw_p2p_invite_req(struct net_device *dev,
> } else {
> DBG_88E("[%s] NOT Found in the Scanning Queue!\n", __func__);
> }
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_set_persistent(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_set_persistent(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -3172,7 +3173,7 @@ static int rtw_p2p_set_persistent(struct net_device *dev,
>
> if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
> DBG_88E("[%s] WiFi Direct is disable!\n", __func__);
> - return 0;
> + return;
> } else {
> if (extra[0] == '0') /* Disable the persistent group function. */
> pwdinfo->persistent_supported = false;
> @@ -3182,12 +3183,12 @@ static int rtw_p2p_set_persistent(struct net_device *dev,
> pwdinfo->persistent_supported = false;
> }
> pr_info("[%s] persistent_supported = %d\n", __func__, pwdinfo->persistent_supported);
> - return 0;
> + return;
> }
>
> -static int rtw_p2p_prov_disc(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_prov_disc(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -3214,7 +3215,7 @@ static int rtw_p2p_prov_disc(struct net_device *dev,
>
> if (pwdinfo->p2p_state == P2P_STATE_NONE) {
> DBG_88E("[%s] WiFi Direct is disable!\n", __func__);
> - return 0;
> + return;
> } else {
> /* Reset the content of struct tx_provdisc_req_info excluded the wps_config_method_request. */
> memset(pwdinfo->tx_prov_disc_info.peerDevAddr, 0x00, ETH_ALEN);
> @@ -3238,7 +3239,7 @@ static int rtw_p2p_prov_disc(struct net_device *dev,
> pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_LABEL;
> } else {
> DBG_88E("[%s] Unknown WPS config methodn", __func__);
> - return 0;
> + return;
> }
>
> spin_lock_bh(&pmlmepriv->scanned_queue.lock);
> @@ -3310,15 +3311,15 @@ static int rtw_p2p_prov_disc(struct net_device *dev,
> } else {
> DBG_88E("[%s] NOT Found in the Scanning Queue!\n", __func__);
> }
> - return 0;
> + return;
> }
>
> /* This function is used to inform the driver the user had specified the pin code value or pbc */
> /* to application. */
>
> -static int rtw_p2p_got_wpsinfo(struct net_device *dev,
> - struct iw_request_info *info,
> - union iwreq_data *wrqu, char *extra)
> +static void rtw_p2p_got_wpsinfo(struct net_device *dev,
> + struct iw_request_info *info,
> + union iwreq_data *wrqu, char *extra)
> {
> struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
> struct wifidirect_info *pwdinfo = &padapter->wdinfo;
> @@ -3340,7 +3341,7 @@ static int rtw_p2p_got_wpsinfo(struct net_device *dev,
> pwdinfo->ui_got_wps_info = P2P_GOT_WPSINFO_PBC;
> else
> pwdinfo->ui_got_wps_info = P2P_NO_WPSINFO;
> - return 0;
> + return;
> }
>
> static int rtw_p2p_set(struct net_device *dev,
> --
> 2.34.1
>
>
Are you sure that checkpatch allowed this change?
