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staging: wilc1000: refactor mgmt_tx to fix line over 80 chars 

Refactor mgmt_tx() to fix line over 80 characters issue. Split the
function to avoid the checkpatch.pl warning. Returning the same error
code in case of memory allocation failure.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ajay Singh 2018-04-23 22:03:08 +05:30 committed by Greg Kroah-Hartman
parent 34db1aac17
commit 7c4f6fe437
1 changed files with 111 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

190
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
View File

@ -1548,6 +1548,55 @@ static int cancel_remain_on_channel(struct wiphy *wiphy,
priv->remain_on_ch_params.listen_session_id);
}
static void wilc_wfi_cfg_tx_vendor_spec(struct p2p_mgmt_data *mgmt_tx,
struct cfg80211_mgmt_tx_params *params,
u8 iftype, u32 buf_len)
{
const u8 *buf = params->buf;
size_t len = params->len;
u32 i;
u8 subtype = buf[P2P_PUB_ACTION_SUBTYPE];
if (subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) {
if (p2p_local_random == 1 &&
p2p_recv_random < p2p_local_random) {
get_random_bytes(&p2p_local_random, 1);
p2p_local_random++;
}
}
if (p2p_local_random <= p2p_recv_random || !(subtype == GO_NEG_REQ ||
subtype == GO_NEG_RSP ||
subtype == P2P_INV_REQ ||
subtype == P2P_INV_RSP))
return;
for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) {
if (buf[i] == P2PELEM_ATTR_ID &&
!memcmp(p2p_oui, &buf[i + 2], 4)) {
if (subtype == P2P_INV_REQ || subtype == P2P_INV_RSP)
wilc_wfi_cfg_parse_tx_action(&mgmt_tx->buff[i + 6],
len - (i + 6),
true, iftype);
else
wilc_wfi_cfg_parse_tx_action(&mgmt_tx->buff[i + 6],
len - (i + 6),
false, iftype);
break;
}
}
if (subtype != P2P_INV_REQ && subtype != P2P_INV_RSP) {
int vendor_spec_len = sizeof(p2p_vendor_spec);
memcpy(&mgmt_tx->buff[len], p2p_vendor_spec,
vendor_spec_len);
mgmt_tx->buff[len + vendor_spec_len] = p2p_local_random;
mgmt_tx->size = buf_len;
}
}
static int mgmt_tx(struct wiphy *wiphy,
struct wireless_dev *wdev,
struct cfg80211_mgmt_tx_params *params,
@ -1561,9 +1610,9 @@ static int mgmt_tx(struct wiphy *wiphy,
struct p2p_mgmt_data *mgmt_tx;
struct wilc_priv *priv;
struct host_if_drv *wfi_drv;
u32 i;
struct wilc_vif *vif;
u32 buf_len = len + sizeof(p2p_vendor_spec) + sizeof(p2p_local_random);
int ret = 0;
vif = netdev_priv(wdev->netdev);
priv = wiphy_priv(wiphy);
@ -1573,92 +1622,75 @@ static int mgmt_tx(struct wiphy *wiphy,
priv->tx_cookie = *cookie;
mgmt = (const struct ieee80211_mgmt *)buf;
if (ieee80211_is_mgmt(mgmt->frame_control)) {
mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL);
if (!mgmt_tx)
return -EFAULT;
if (!ieee80211_is_mgmt(mgmt->frame_control))
goto out;
mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL);
if (!mgmt_tx->buff) {
kfree(mgmt_tx);
return -ENOMEM;
}
mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL);
if (!mgmt_tx) {
ret = -ENOMEM;
goto out;
}
memcpy(mgmt_tx->buff, buf, len);
mgmt_tx->size = len;
mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL);
if (!mgmt_tx->buff) {
ret = -ENOMEM;
kfree(mgmt_tx);
goto out;
}
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
memcpy(mgmt_tx->buff, buf, len);
mgmt_tx->size = len;
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
wilc_set_mac_chnl_num(vif, chan->hw_value);
curr_channel = chan->hw_value;
goto out_txq_add_pkt;
}
if (!ieee80211_is_action(mgmt->frame_control))
goto out_txq_add_pkt;
if (buf[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) {
if (buf[ACTION_SUBTYPE_ID] != PUBLIC_ACT_VENDORSPEC ||
buf[P2P_PUB_ACTION_SUBTYPE] != GO_NEG_CONF) {
wilc_set_mac_chnl_num(vif, chan->hw_value);
curr_channel = chan->hw_value;
} else if (ieee80211_is_action(mgmt->frame_control)) {
if (buf[ACTION_CAT_ID] == PUB_ACTION_ATTR_ID) {
if (buf[ACTION_SUBTYPE_ID] != PUBLIC_ACT_VENDORSPEC ||
buf[P2P_PUB_ACTION_SUBTYPE] != GO_NEG_CONF) {
wilc_set_mac_chnl_num(vif,
chan->hw_value);
curr_channel = chan->hw_value;
}
switch (buf[ACTION_SUBTYPE_ID]) {
case GAS_INITIAL_REQ:
break;
case GAS_INITIAL_RSP:
break;
case PUBLIC_ACT_VENDORSPEC:
{
if (!memcmp(p2p_oui, &buf[ACTION_SUBTYPE_ID + 1], 4)) {
if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP)) {
if (p2p_local_random == 1 && p2p_recv_random < p2p_local_random) {
get_random_bytes(&p2p_local_random, 1);
p2p_local_random++;
}
}
if ((buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == GO_NEG_RSP ||
buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)) {
if (p2p_local_random > p2p_recv_random) {
for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) {
if (buf[i] == P2PELEM_ATTR_ID && !(memcmp(p2p_oui, &buf[i + 2], 4))) {
if (buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_REQ || buf[P2P_PUB_ACTION_SUBTYPE] == P2P_INV_RSP)
wilc_wfi_cfg_parse_tx_action(&mgmt_tx->buff[i + 6], len - (i + 6), true, vif->iftype);
else
wilc_wfi_cfg_parse_tx_action(&mgmt_tx->buff[i + 6], len - (i + 6), false, vif->iftype);
break;
}
}
if (buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_REQ && buf[P2P_PUB_ACTION_SUBTYPE] != P2P_INV_RSP) {
memcpy(&mgmt_tx->buff[len], p2p_vendor_spec, sizeof(p2p_vendor_spec));
mgmt_tx->buff[len + sizeof(p2p_vendor_spec)] = p2p_local_random;
mgmt_tx->size = buf_len;
}
}
}
} else {
netdev_dbg(vif->ndev, "Not a P2P public action frame\n");
}
break;
}
default:
{
netdev_dbg(vif->ndev, "NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n", buf[ACTION_SUBTYPE_ID]);
break;
}
}
}
wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
}
switch (buf[ACTION_SUBTYPE_ID]) {
case GAS_INITIAL_REQ:
case GAS_INITIAL_RSP:
break;
wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
mgmt_tx->buff, mgmt_tx->size,
wilc_wfi_mgmt_tx_complete);
case PUBLIC_ACT_VENDORSPEC:
if (!memcmp(p2p_oui, &buf[ACTION_SUBTYPE_ID + 1], 4))
wilc_wfi_cfg_tx_vendor_spec(mgmt_tx, params,
vif->iftype,
buf_len);
else
netdev_dbg(vif->ndev,
"Not a P2P public action frame\n");
break;
default:
netdev_dbg(vif->ndev,
"NOT HANDLED PUBLIC ACTION FRAME TYPE:%x\n",
buf[ACTION_SUBTYPE_ID]);
break;
}
}
return 0;
wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
out_txq_add_pkt:
wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
mgmt_tx->buff, mgmt_tx->size,
wilc_wfi_mgmt_tx_complete);
out:
return ret;
}
static int mgmt_tx_cancel_wait(struct wiphy *wiphy,