Some functions in ioctl_linux.c always returns 0 and their return values are never used. Change return type of these 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> --- v2 -> v3: Remove empty returns at the end of void functions. drivers/staging/r8188eu/os_dep/ioctl_linux.c | 104 ++++++++----------- 1 file changed, 44 insertions(+), 60 deletions(-) diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c index 6d8adbee85f3..c1aaab44de0e 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; @@ -2318,8 +2318,6 @@ static int rtw_p2p_set_go_nego_ssid(struct net_device *dev, DBG_88E("[%s] ssid = %s, len = %zu\n", __func__, extra, strlen(extra)); memcpy(pwdinfo->nego_ssid, extra, strlen(extra)); pwdinfo->nego_ssidlen = strlen(extra); - - return 0; } static int rtw_p2p_set_intent(struct net_device *dev, @@ -2455,9 +2453,9 @@ 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; @@ -2466,11 +2464,9 @@ static int rtw_p2p_setDN(struct net_device *dev, memset(pwdinfo->device_name, 0x00, WPS_MAX_DEVICE_NAME_LEN); memcpy(pwdinfo->device_name, extra, wrqu->data.length - 1); pwdinfo->device_name_len = wrqu->data.length - 1; - - return 0; } -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) { @@ -2487,8 +2483,6 @@ static int rtw_p2p_get_status(struct net_device *dev, /* About the "Role" information, we will use the new private IOCTL to get the "Role" information. */ sprintf(extra, "\n\nStatus =%.2d\n", rtw_p2p_state(pwdinfo)); wrqu->data.length = strlen(extra); - - return 0; } /* Commented by Albert 20110520 */ @@ -2496,7 +2490,7 @@ 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 +2499,11 @@ 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; } -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 +2514,11 @@ 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; } -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 +2529,11 @@ 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; } -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 +2545,12 @@ 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; } -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 +2562,11 @@ 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; } -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 +2578,11 @@ 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; } -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 +2592,6 @@ 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; } static int rtw_p2p_get_wps_configmethod(struct net_device *dev, @@ -3049,9 +3037,9 @@ 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 +3064,12 @@ 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 +3142,11 @@ static int rtw_p2p_invite_req(struct net_device *dev, } else { DBG_88E("[%s] NOT Found in the Scanning Queue!\n", __func__); } - return 0; } -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 +3159,7 @@ 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 +3169,11 @@ 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; } -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 +3200,7 @@ 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 +3224,7 @@ 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 +3296,14 @@ static int rtw_p2p_prov_disc(struct net_device *dev, } else { DBG_88E("[%s] NOT Found in the Scanning Queue!\n", __func__); } - return 0; } /* 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 +3325,6 @@ 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; } static int rtw_p2p_set(struct net_device *dev, -- 2.34.1