Rework some conditions to bail out of functions faster therby
decreasing overall indent. This patch should not cause any negative
side effect (except for different execution time).
Signed-off-by: Mateusz Kulikowski <mateusz.kulikow...@gmail.com>
---
drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c | 8 +-
drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 197 +++++++++++++------------
drivers/staging/rtl8192e/rtllib_rx.c | 99 +++++++------
drivers/staging/rtl8192e/rtllib_softmac.c | 128 ++++++++--------
4 files changed, 216 insertions(+), 216 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 6802294..2f21bdc 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -932,10 +932,10 @@ start:
rCCK0_TxFilter1, bMaskByte2);
for (i = 0; i < CCKTxBBGainTableLength; i++) {
- if (TempCCk == dm_cck_tx_bb_gain[i][0]) {
- priv->CCKPresentAttentuation_20Mdefault
= (u8)i;
- break;
- }
+ if (TempCCk != dm_cck_tx_bb_gain[i][0])
+ continue;
+ priv->CCKPresentAttentuation_20Mdefault = (u8)i;
+ break;
}
priv->CCKPresentAttentuation_40Mdefault = 0;
priv->CCKPresentAttentuation_difference = 0;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index d71459f..2f4a96c 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -2034,9 +2034,6 @@ static void dm_init_rxpath_selection(struct net_device
*dev)
}
}
-#define PWDB_IN_RANGE ((cur_cck_pwdb < tmp_cck_max_pwdb) && \
- (cur_cck_pwdb > tmp_cck_sec_pwdb))
-
static void dm_rxpath_sel_byrssi(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
@@ -2069,53 +2066,60 @@ static void dm_rxpath_sel_byrssi(struct net_device *dev)
for (i = 0; i < RF90_PATH_MAX; i++) {
if (!DM_RxPathSelTable.DbgMode)
- DM_RxPathSelTable.rf_rssi[i] =
priv->stats.rx_rssi_percentage[i];
-
- if (priv->brfpath_rxenable[i]) {
- rf_num++;
- cur_rf_rssi = DM_RxPathSelTable.rf_rssi[i];
-
- if (rf_num == 1) {
- max_rssi_index = min_rssi_index =
sec_rssi_index = i;
- tmp_max_rssi = tmp_min_rssi = tmp_sec_rssi =
cur_rf_rssi;
- } else if (rf_num == 2) {
- if (cur_rf_rssi >= tmp_max_rssi) {
- tmp_max_rssi = cur_rf_rssi;
- max_rssi_index = i;
- } else {
- tmp_sec_rssi = tmp_min_rssi =
cur_rf_rssi;
- sec_rssi_index = min_rssi_index = i;
- }
+ DM_RxPathSelTable.rf_rssi[i] =
+ priv->stats.rx_rssi_percentage[i];
+ if (!priv->brfpath_rxenable[i])
+ continue;
+
+ rf_num++;
+ cur_rf_rssi = DM_RxPathSelTable.rf_rssi[i];
+
+ if (rf_num == 1) {
+ sec_rssi_index = i;
+ max_rssi_index = i;
+ min_rssi_index = i;
+ tmp_sec_rssi = cur_rf_rssi;
+ tmp_max_rssi = cur_rf_rssi;
+ tmp_min_rssi = cur_rf_rssi;
+ } else if (rf_num == 2) {
+ if (cur_rf_rssi >= tmp_max_rssi) {
+ tmp_max_rssi = cur_rf_rssi;
+ max_rssi_index = i;
} else {
- if (cur_rf_rssi > tmp_max_rssi) {
- tmp_sec_rssi = tmp_max_rssi;
- sec_rssi_index = max_rssi_index;
- tmp_max_rssi = cur_rf_rssi;
- max_rssi_index = i;
- } else if (cur_rf_rssi == tmp_max_rssi) {
- tmp_sec_rssi = cur_rf_rssi;
- sec_rssi_index = i;
- } else if ((cur_rf_rssi < tmp_max_rssi) &&
- (cur_rf_rssi > tmp_sec_rssi)) {
+ tmp_sec_rssi = cur_rf_rssi;
+ tmp_min_rssi = cur_rf_rssi;
+ sec_rssi_index = i;
+ min_rssi_index = i;
+ }
+ } else {
+ if (cur_rf_rssi > tmp_max_rssi) {
+ tmp_sec_rssi = tmp_max_rssi;
+ sec_rssi_index = max_rssi_index;
+ tmp_max_rssi = cur_rf_rssi;
+ max_rssi_index = i;
+ } else if (cur_rf_rssi == tmp_max_rssi) {
+ tmp_sec_rssi = cur_rf_rssi;
+ sec_rssi_index = i;
+ } else if ((cur_rf_rssi < tmp_max_rssi) &&
+ (cur_rf_rssi > tmp_sec_rssi)) {
+ tmp_sec_rssi = cur_rf_rssi;
+ sec_rssi_index = i;
+ } else if (cur_rf_rssi == tmp_sec_rssi) {
+ if (tmp_sec_rssi == tmp_min_rssi) {
tmp_sec_rssi = cur_rf_rssi;
sec_rssi_index = i;
- } else if (cur_rf_rssi == tmp_sec_rssi) {
- if (tmp_sec_rssi == tmp_min_rssi) {
- tmp_sec_rssi = cur_rf_rssi;
- sec_rssi_index = i;
- }
- } else if ((cur_rf_rssi < tmp_sec_rssi) &&
- (cur_rf_rssi > tmp_min_rssi)) {
- ;
- } else if (cur_rf_rssi == tmp_min_rssi) {
- if (tmp_sec_rssi == tmp_min_rssi) {
- tmp_min_rssi = cur_rf_rssi;
- min_rssi_index = i;
- }
- } else if (cur_rf_rssi < tmp_min_rssi) {
+ }
+ } else if ((cur_rf_rssi < tmp_sec_rssi) &&
+ (cur_rf_rssi > tmp_min_rssi)) {
+ ;
+ } else if (cur_rf_rssi == tmp_min_rssi) {
+ if (tmp_sec_rssi == tmp_min_rssi) {
tmp_min_rssi = cur_rf_rssi;
min_rssi_index = i;
}
+ } else if (cur_rf_rssi < tmp_min_rssi) {
+ tmp_min_rssi = cur_rf_rssi;
+ min_rssi_index = i;
}
}
}
@@ -2123,66 +2127,63 @@ static void dm_rxpath_sel_byrssi(struct net_device *dev)
rf_num = 0;
if (DM_RxPathSelTable.cck_method == CCK_Rx_Version_2) {
for (i = 0; i < RF90_PATH_MAX; i++) {
- if (priv->brfpath_rxenable[i]) {
- rf_num++;
- cur_cck_pwdb =
- DM_RxPathSelTable.cck_pwdb_sta[i];
+ if (!priv->brfpath_rxenable[i])
+ continue;
- if (rf_num == 1) {
+ rf_num++;
+ cur_cck_pwdb = DM_RxPathSelTable.cck_pwdb_sta[i];
+
+ if (rf_num == 1) {
+ cck_rx_ver2_max_index = i;
+ cck_rx_ver2_min_index = i;
+ cck_rx_ver2_sec_index = i;
+ tmp_cck_max_pwdb = cur_cck_pwdb;
+ tmp_cck_min_pwdb = cur_cck_pwdb;
+ tmp_cck_sec_pwdb = cur_cck_pwdb;
+ continue;
+ }
+
+ if (rf_num == 2) {
+ if (cur_cck_pwdb >= tmp_cck_max_pwdb) {
+ tmp_cck_max_pwdb = cur_cck_pwdb;
cck_rx_ver2_max_index = i;
+ } else {
+ tmp_cck_sec_pwdb = cur_cck_pwdb;
+ tmp_cck_min_pwdb = cur_cck_pwdb;
+ cck_rx_ver2_sec_index = i;
cck_rx_ver2_min_index = i;
+ }
+ continue;
+ }
+
+ if (cur_cck_pwdb > tmp_cck_max_pwdb) {
+ tmp_cck_sec_pwdb = tmp_cck_max_pwdb;
+ cck_rx_ver2_sec_index = cck_rx_ver2_max_index;
+ tmp_cck_max_pwdb = cur_cck_pwdb;
+ cck_rx_ver2_max_index = i;
+ } else if (cur_cck_pwdb == tmp_cck_max_pwdb) {
+ tmp_cck_sec_pwdb = cur_cck_pwdb;
+ cck_rx_ver2_sec_index = i;
+ } else if ((cur_cck_pwdb < tmp_cck_max_pwdb) &&
+ (cur_cck_pwdb > tmp_cck_sec_pwdb)) {
+ tmp_cck_sec_pwdb = cur_cck_pwdb;
+ cck_rx_ver2_sec_index = i;
+ } else if (cur_cck_pwdb == tmp_cck_sec_pwdb) {
+ if (tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
+ tmp_cck_sec_pwdb = cur_cck_pwdb;
cck_rx_ver2_sec_index = i;
- tmp_cck_max_pwdb = cur_cck_pwdb;
+ }
+ } else if ((cur_cck_pwdb < tmp_cck_sec_pwdb) &&
+ (cur_cck_pwdb > tmp_cck_min_pwdb)) {
+ ;
+ } else if (cur_cck_pwdb == tmp_cck_min_pwdb) {
+ if (tmp_cck_sec_pwdb == tmp_cck_min_pwdb) {
tmp_cck_min_pwdb = cur_cck_pwdb;
- tmp_cck_sec_pwdb = cur_cck_pwdb;
- } else if (rf_num == 2) {
- if (cur_cck_pwdb >= tmp_cck_max_pwdb) {
- tmp_cck_max_pwdb = cur_cck_pwdb;
- cck_rx_ver2_max_index = i;
- } else {
- tmp_cck_sec_pwdb = cur_cck_pwdb;
- tmp_cck_min_pwdb = cur_cck_pwdb;
- cck_rx_ver2_sec_index = i;
- cck_rx_ver2_min_index = i;
- }
- } else {
- if (cur_cck_pwdb > tmp_cck_max_pwdb) {
- tmp_cck_sec_pwdb =
- tmp_cck_max_pwdb;
- cck_rx_ver2_sec_index =
- cck_rx_ver2_max_index;
- tmp_cck_max_pwdb = cur_cck_pwdb;
- cck_rx_ver2_max_index = i;
- } else if (cur_cck_pwdb ==
- tmp_cck_max_pwdb) {
- tmp_cck_sec_pwdb = cur_cck_pwdb;
- cck_rx_ver2_sec_index = i;
- } else if (PWDB_IN_RANGE) {
- tmp_cck_sec_pwdb = cur_cck_pwdb;
- cck_rx_ver2_sec_index = i;
- } else if (cur_cck_pwdb ==
- tmp_cck_sec_pwdb) {
- if (tmp_cck_sec_pwdb ==
- tmp_cck_min_pwdb) {
- tmp_cck_sec_pwdb =
- cur_cck_pwdb;
- cck_rx_ver2_sec_index =
- i;
- }
- } else if ((cur_cck_pwdb <
tmp_cck_sec_pwdb) &&
- (cur_cck_pwdb >
tmp_cck_min_pwdb)) {
- ;
- } else if (cur_cck_pwdb ==
tmp_cck_min_pwdb) {
- if (tmp_cck_sec_pwdb ==
tmp_cck_min_pwdb) {
- tmp_cck_min_pwdb =
cur_cck_pwdb;
- cck_rx_ver2_min_index =
i;
- }
- } else if (cur_cck_pwdb <
tmp_cck_min_pwdb) {
- tmp_cck_min_pwdb = cur_cck_pwdb;
- cck_rx_ver2_min_index = i;
- }
+ cck_rx_ver2_min_index = i;
}
-
+ } else if (cur_cck_pwdb < tmp_cck_min_pwdb) {
+ tmp_cck_min_pwdb = cur_cck_pwdb;
+ cck_rx_ver2_min_index = i;
}
}
}
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c
b/drivers/staging/rtl8192e/rtllib_rx.c
index 5371667..a66d8dc 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1256,51 +1256,52 @@ static void rtllib_rx_indicate_pkt_legacy(struct
rtllib_device *ieee,
for (i = 0; i < rxb->nr_subframes; i++) {
struct sk_buff *sub_skb = rxb->subframes[i];
- if (sub_skb) {
- /* convert hdr + possible LLC headers into Ethernet
header */
- ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
- if (sub_skb->len >= 8 &&
- ((memcmp(sub_skb->data, rfc1042_header,
SNAP_SIZE) == 0 &&
- ethertype != ETH_P_AARP && ethertype !=
ETH_P_IPX) ||
- memcmp(sub_skb->data, bridge_tunnel_header,
SNAP_SIZE) == 0)) {
- /* remove RFC1042 or Bridge-Tunnel
encapsulation and
- * replace EtherType
- */
- skb_pull(sub_skb, SNAP_SIZE);
- ether_addr_copy_unaligned(skb_push(sub_skb,
- ETH_ALEN),
- src);
- ether_addr_copy_unaligned(skb_push(sub_skb,
- ETH_ALEN),
- dst);
- } else {
- u16 len;
- /* Leave Ethernet header part of hdr and full
payload */
- len = sub_skb->len;
- memcpy(skb_push(sub_skb, 2), &len, 2);
- ether_addr_copy_unaligned(skb_push(sub_skb,
- ETH_ALEN),
- src);
- ether_addr_copy_unaligned(skb_push(sub_skb,
- ETH_ALEN),
- dst);
- }
+ if (!sub_skb)
+ continue;
+
+ /* convert hdr + possible LLC headers into Ethernet header */
+ ethertype = (sub_skb->data[6] << 8) | sub_skb->data[7];
+ if (sub_skb->len >= 8 &&
+ ((memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) == 0 &&
+ ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) ||
+ memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE) == 0
+ )) {
+ /* remove RFC1042 or Bridge-Tunnel encapsulation and
+ * replace EtherType
+ */
+ skb_pull(sub_skb, SNAP_SIZE);
+ ether_addr_copy_unaligned(skb_push(sub_skb, ETH_ALEN),
+ src);
+ ether_addr_copy_unaligned(skb_push(sub_skb, ETH_ALEN),
+ dst);
+ } else {
+ u16 len;
+ /* Leave Ethernet header part of
+ * hdr and full payload
+ */
+ len = sub_skb->len;
+ memcpy(skb_push(sub_skb, 2), &len, 2);
+ ether_addr_copy_unaligned(skb_push(sub_skb, ETH_ALEN),
+ src);
+ ether_addr_copy_unaligned(skb_push(sub_skb, ETH_ALEN),
+ dst);
+ }
- ieee->stats.rx_packets++;
- ieee->stats.rx_bytes += sub_skb->len;
+ ieee->stats.rx_packets++;
+ ieee->stats.rx_bytes += sub_skb->len;
- if (is_multicast_ether_addr(dst))
- ieee->stats.multicast++;
+ if (is_multicast_ether_addr(dst))
+ ieee->stats.multicast++;
- /* Indicate the packets to upper layer */
- memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
- sub_skb->protocol = eth_type_trans(sub_skb, dev);
- sub_skb->dev = dev;
- sub_skb->dev->stats.rx_packets++;
- sub_skb->dev->stats.rx_bytes += sub_skb->len;
- sub_skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not
sufficient */
- netif_rx(sub_skb);
- }
+ /* Indicate the packets to upper layer */
+ memset(sub_skb->cb, 0, sizeof(sub_skb->cb));
+ sub_skb->protocol = eth_type_trans(sub_skb, dev);
+ sub_skb->dev = dev;
+ sub_skb->dev->stats.rx_packets++;
+ sub_skb->dev->stats.rx_bytes += sub_skb->len;
+ /* 802.11 crc not sufficient */
+ sub_skb->ip_summed = CHECKSUM_NONE;
+ netif_rx(sub_skb);
}
kfree(rxb);
}
@@ -1722,13 +1723,13 @@ static int rtllib_parse_qos_info_param_IE(struct
rtllib_info_element
rc = rtllib_read_qos_param_element(¶m_element,
info_element);
- if (rc == 0) {
- rtllib_qos_convert_ac_to_parameters(¶m_element,
-
&(network->qos_data));
- network->flags |= NETWORK_HAS_QOS_PARAMETERS;
- network->qos_data.param_count =
- param_element.info_element.ac_info & 0x0F;
- }
+ if (rc != 0)
+ return rc;
+ rtllib_qos_convert_ac_to_parameters(¶m_element,
+ &(network->qos_data));
+ network->flags |= NETWORK_HAS_QOS_PARAMETERS;
+ network->qos_data.param_count =
+ param_element.info_element.ac_info & 0x0F;
}
if (rc == 0) {
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c
b/drivers/staging/rtl8192e/rtllib_softmac.c
index 3c62638..65e8dbe 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -2246,79 +2246,77 @@ inline int rtllib_rx_assoc_resp(struct rtllib_device
*ieee, struct sk_buff *skb,
u8 *ies;
struct rtllib_assoc_response_frame *assoc_resp;
struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
+ struct rtllib_network *network;
RTLLIB_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
WLAN_FC_GET_STYPE(header->frame_ctl));
- if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
+ if (!((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATED &&
- (ieee->iw_mode == IW_MODE_INFRA)) {
- errcode = assoc_parse(ieee, skb, &aid);
- if (0 == errcode) {
- struct rtllib_network *network =
- kzalloc(sizeof(struct rtllib_network),
- GFP_ATOMIC);
-
- if (!network)
- return 1;
- ieee->state = RTLLIB_LINKED;
- ieee->assoc_id = aid;
- ieee->softmac_stats.rx_ass_ok++;
- /* station support qos */
- /* Let the register setting default with Legacy station
*/
- assoc_resp = (struct rtllib_assoc_response_frame
*)skb->data;
- if (ieee->current_network.qos_data.supported == 1) {
- if (rtllib_parse_info_param(ieee,
assoc_resp->info_element,
- rx_stats->len -
sizeof(*assoc_resp),
- network, rx_stats)) {
- kfree(network);
- return 1;
- }
- memcpy(ieee->pHTInfo->PeerHTCapBuf,
- network->bssht.bdHTCapBuf,
- network->bssht.bdHTCapLen);
- memcpy(ieee->pHTInfo->PeerHTInfoBuf,
- network->bssht.bdHTInfoBuf,
- network->bssht.bdHTInfoLen);
- if (ieee->handle_assoc_response != NULL)
- ieee->handle_assoc_response(ieee->dev,
- (struct
rtllib_assoc_response_frame *)header,
- network);
- }
- kfree(network);
+ (ieee->iw_mode == IW_MODE_INFRA)))
+ return 0;
- kfree(ieee->assocresp_ies);
- ieee->assocresp_ies = NULL;
- ies = &(assoc_resp->info_element[0].id);
- ieee->assocresp_ies_len = (skb->data + skb->len) - ies;
- ieee->assocresp_ies = kmalloc(ieee->assocresp_ies_len,
- GFP_ATOMIC);
- if (ieee->assocresp_ies)
- memcpy(ieee->assocresp_ies, ies,
- ieee->assocresp_ies_len);
- else {
- netdev_info(ieee->dev,
- "%s()Warning: can't alloc memory
for assocresp_ies\n",
- __func__);
- ieee->assocresp_ies_len = 0;
- }
- rtllib_associate_complete(ieee);
- } else {
- /* aid could not been allocated */
- ieee->softmac_stats.rx_ass_err++;
- netdev_info(ieee->dev,
- "Association response status code 0x%x\n",
- errcode);
- RTLLIB_DEBUG_MGMT(
- "Association response status code 0x%x\n",
- errcode);
- if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT)
- queue_delayed_work_rsl(ieee->wq,
- &ieee->associate_procedure_wq, 0);
- else
- rtllib_associate_abort(ieee);
+ errcode = assoc_parse(ieee, skb, &aid);
+ if (errcode) {
+ /* aid could not been allocated */
+ ieee->softmac_stats.rx_ass_err++;
+ netdev_info(ieee->dev,
+ "Association response status code 0x%x\n",
+ errcode);
+ RTLLIB_DEBUG_MGMT("Association response status code 0x%x\n",
+ errcode);
+ if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT)
+ queue_delayed_work_rsl(ieee->wq,
+ &ieee->associate_procedure_wq,
+ 0);
+ else
+ rtllib_associate_abort(ieee);
+ return 0;
+ }
+
+ network = kzalloc(sizeof(struct rtllib_network), GFP_ATOMIC);
+ if (!network)
+ return 1;
+
+ ieee->state = RTLLIB_LINKED;
+ ieee->assoc_id = aid;
+ ieee->softmac_stats.rx_ass_ok++;
+ /* station support qos */
+ /* Let the register setting default with Legacy station */
+ assoc_resp = (struct rtllib_assoc_response_frame *)skb->data;
+ if (ieee->current_network.qos_data.supported == 1) {
+ if (rtllib_parse_info_param(ieee, assoc_resp->info_element,
+ rx_stats->len - sizeof(*assoc_resp),
+ network, rx_stats)) {
+ kfree(network);
+ return 1;
}
+ memcpy(ieee->pHTInfo->PeerHTCapBuf, network->bssht.bdHTCapBuf,
+ network->bssht.bdHTCapLen);
+ memcpy(ieee->pHTInfo->PeerHTInfoBuf, network->bssht.bdHTInfoBuf,
+ network->bssht.bdHTInfoLen);
+ if (ieee->handle_assoc_response != NULL)
+ ieee->handle_assoc_response(ieee->dev,
+ (struct rtllib_assoc_response_frame *)header,
+ network);
+ }
+ kfree(network);
+
+ kfree(ieee->assocresp_ies);
+ ieee->assocresp_ies = NULL;
+ ies = &(assoc_resp->info_element[0].id);
+ ieee->assocresp_ies_len = (skb->data + skb->len) - ies;
+ ieee->assocresp_ies = kmalloc(ieee->assocresp_ies_len,
+ GFP_ATOMIC);
+ if (ieee->assocresp_ies) {
+ memcpy(ieee->assocresp_ies, ies, ieee->assocresp_ies_len);
+ } else {
+ netdev_info(ieee->dev,
+ "%s()Warning: can't alloc memory for
assocresp_ies\n",
+ __func__);
+ ieee->assocresp_ies_len = 0;
}
+ rtllib_associate_complete(ieee);
return 0;
}
--
1.8.4.1
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