staging: rtl8723bs: Use list iterators and helpers
authorGuenter Roeck <linux@roeck-us.net>
Wed, 28 Apr 2021 17:33:01 +0000 (10:33 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 10 May 2021 09:19:34 +0000 (11:19 +0200)
The rtl8723bs driver manually re-implements list helper functions
and macros in various ways. Replace with existing list helpers.

The following coccinelle script was used to convert the code.

@@
identifier v1, v2, v3, v4;
symbol next;
expression e;
iterator name list_for_each;
statement S;
@@

<+...
(
- e = v1->next;
|
- e = get_next(v1);
)
  ... when != e
- while ( \( v1 != e \| e != v1 \) )
+ list_for_each (e, v1)
  {
    ...
-   v2 = container_of(e, struct v3, v4);
+   v2 = list_entry(e, struct v3, v4);
?-  if (!v2) S
    ...
(
-   e = e->next;
|
- e = get_next(e);
)
    ... when != e
  }
...+>

@@
identifier v1, v2, v3, v4;
symbol next;
expression e;
iterator name list_for_each;
statement S;
@@

<+...
(
- e = v1->next;
|
- e = get_next(v1);
)
  ... when != e
- while (1)
+ list_for_each (e, v1)
  {
- if ( \( e == v1 \| v1 == e \) )
-   break;
    ...
-   v2 = container_of(e, struct v3, v4);
+   v2 = list_entry(e, struct v3, v4);
?-  if (!v2) S
    ...
(
-   e = e->next;
|
- e = get_next(e);
)
    ... when != e
  }
...+>

Manually fixed up formatting, and added auto-removed comments back in.
Compile tested only.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210428173301.149619-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rtl8723bs/core/rtw_ap.c
drivers/staging/rtl8723bs/core/rtw_mlme.c
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
drivers/staging/rtl8723bs/core/rtw_sta_mgt.c
drivers/staging/rtl8723bs/core/rtw_xmit.c
drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
drivers/staging/rtl8723bs/os_dep/xmit_linux.c

index dc8f029e8b7f76e85fdba0a8263283c3b1a0feb8..9df4476b2e2d02a9ed02b7659fd09b0109523378 100644 (file)
@@ -188,13 +188,9 @@ void expire_timeout_chk(struct adapter *padapter)
        spin_lock_bh(&pstapriv->auth_list_lock);
 
        phead = &pstapriv->auth_list;
-       plist = get_next(phead);
-
        /* check auth_queue */
-       while (phead != plist) {
-               psta = container_of(plist, struct sta_info, auth_list);
-
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               psta = list_entry(plist, struct sta_info, auth_list);
 
                if (psta->expire_to > 0) {
                        psta->expire_to--;
@@ -217,12 +213,9 @@ void expire_timeout_chk(struct adapter *padapter)
        spin_lock_bh(&pstapriv->asoc_list_lock);
 
        phead = &pstapriv->asoc_list;
-       plist = get_next(phead);
-
        /* check asoc_queue */
-       while (phead != plist) {
-               psta = container_of(plist, struct sta_info, asoc_list);
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               psta = list_entry(plist, struct sta_info, asoc_list);
                if (chk_sta_is_alive(psta) || !psta->expire_to) {
                        psta->expire_to = pstapriv->expire_to;
                        psta->keep_alive_trycnt = 0;
@@ -1210,11 +1203,8 @@ int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
        spin_lock_bh(&(pacl_node_q->lock));
 
        phead = get_list_head(pacl_node_q);
-       plist = get_next(phead);
-
-       while (phead != plist) {
-               paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
 
                if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
                        if (paclnode->valid == true) {
@@ -1266,11 +1256,8 @@ void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
        spin_lock_bh(&(pacl_node_q->lock));
 
        phead = get_list_head(pacl_node_q);
-       plist = get_next(phead);
-
-       while (phead != plist) {
-               paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
 
                if (
                        !memcmp(paclnode->addr, addr, ETH_ALEN) ||
@@ -1716,13 +1703,9 @@ void associated_clients_update(struct adapter *padapter, u8 updated)
                spin_lock_bh(&pstapriv->asoc_list_lock);
 
                phead = &pstapriv->asoc_list;
-               plist = get_next(phead);
-
                /* check asoc_queue */
-               while (phead != plist) {
-                       psta = container_of(plist, struct sta_info, asoc_list);
-
-                       plist = get_next(plist);
+               list_for_each(plist, phead) {
+                       psta = list_entry(plist, struct sta_info, asoc_list);
 
                        VCS_update(padapter, psta);
                }
@@ -1972,13 +1955,9 @@ void rtw_sta_flush(struct adapter *padapter)
 
        spin_lock_bh(&pstapriv->asoc_list_lock);
        phead = &pstapriv->asoc_list;
-       plist = get_next(phead);
-
        /* free sta asoc_queue */
-       while (phead != plist) {
-               psta = container_of(plist, struct sta_info, asoc_list);
-
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               psta = list_entry(plist, struct sta_info, asoc_list);
 
                list_del_init(&psta->asoc_list);
                pstapriv->asoc_list_cnt--;
@@ -2074,13 +2053,10 @@ void rtw_ap_restore_network(struct adapter *padapter)
        spin_lock_bh(&pstapriv->asoc_list_lock);
 
        phead = &pstapriv->asoc_list;
-       plist = get_next(phead);
-
-       while (phead != plist) {
+       list_for_each(plist, phead) {
                int stainfo_offset;
 
-               psta = container_of(plist, struct sta_info, asoc_list);
-               plist = get_next(plist);
+               psta = list_entry(plist, struct sta_info, asoc_list);
 
                stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
                if (stainfo_offset_valid(stainfo_offset))
@@ -2183,10 +2159,8 @@ void stop_ap_mode(struct adapter *padapter)
        /* for ACL */
        spin_lock_bh(&(pacl_node_q->lock));
        phead = get_list_head(pacl_node_q);
-       plist = get_next(phead);
-       while (phead != plist) {
-               paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
 
                if (paclnode->valid) {
                        paclnode->valid = false;
index a6cd63b11ea10ff01231db6336f1409ec9742c87..7bd9e3a4f34584d7c0f72768125c8ae47cab7988 100644 (file)
@@ -242,15 +242,11 @@ struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
        /* spin_lock_bh(&scanned_queue->lock); */
 
        phead = get_list_head(scanned_queue);
-       plist = get_next(phead);
-
-       while (plist != phead) {
-               pnetwork = container_of(plist, struct wlan_network, list);
+       list_for_each(plist, phead) {
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
                        break;
-
-               plist = get_next(plist);
        }
 
        if (plist == phead)
@@ -272,13 +268,9 @@ void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
        spin_lock_bh(&scanned_queue->lock);
 
        phead = get_list_head(scanned_queue);
-       plist = get_next(phead);
-
-       while (phead != plist) {
+       list_for_each(plist, phead) {
 
-               pnetwork = container_of(plist, struct wlan_network, list);
-
-               plist = get_next(plist);
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
 
@@ -420,15 +412,11 @@ struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struc
        struct wlan_network *found = NULL;
 
        phead = get_list_head(scanned_queue);
-       plist = get_next(phead);
-
-       while (plist != phead) {
-               found = container_of(plist, struct wlan_network, list);
+       list_for_each(plist, phead) {
+               found = list_entry(plist, struct wlan_network, list);
 
                if (is_same_network(&network->network, &found->network, 0))
                        break;
-
-               plist = get_next(plist);
        }
 
        if (plist == phead)
@@ -446,21 +434,14 @@ struct    wlan_network    *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
 
        phead = get_list_head(scanned_queue);
 
-       plist = get_next(phead);
-
-       while (1) {
-
-               if (phead == plist)
-                       break;
+       list_for_each(plist, phead) {
 
-               pwlan = container_of(plist, struct wlan_network, list);
+               pwlan = list_entry(plist, struct wlan_network, list);
 
                if (!pwlan->fixed) {
                        if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
                                oldest = pwlan;
                }
-
-               plist = get_next(plist);
        }
        return oldest;
 
@@ -547,13 +528,8 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t
 
        spin_lock_bh(&queue->lock);
        phead = get_list_head(queue);
-       plist = get_next(phead);
-
-       while (1) {
-               if (phead == plist)
-                       break;
-
-               pnetwork = container_of(plist, struct wlan_network, list);
+       list_for_each(plist, phead) {
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
 
@@ -569,8 +545,6 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t
                if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
                        oldest = pnetwork;
 
-               plist = get_next(plist);
-
        }
 
        /* If we didn't find a match, then get a new network slot to initialize
@@ -1786,17 +1760,10 @@ int rtw_select_roaming_candidate(struct mlme_priv *mlme)
        spin_lock_bh(&(mlme->scanned_queue.lock));
        phead = get_list_head(queue);
 
-       mlme->pscanned = get_next(phead);
-
-       while (phead != mlme->pscanned) {
+       list_for_each(mlme->pscanned, phead) {
 
-               pnetwork = container_of(mlme->pscanned, struct wlan_network, list);
-               if (!pnetwork) {
-                       ret = _FAIL;
-                       goto exit;
-               }
-
-               mlme->pscanned = get_next(mlme->pscanned);
+               pnetwork = list_entry(mlme->pscanned, struct wlan_network,
+                                     list);
 
                rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
 
@@ -1890,17 +1857,10 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
        }
 
        phead = get_list_head(queue);
-       pmlmepriv->pscanned = get_next(phead);
-
-       while (phead != pmlmepriv->pscanned) {
-
-               pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
-               if (!pnetwork) {
-                       ret = _FAIL;
-                       goto exit;
-               }
+       list_for_each(pmlmepriv->pscanned, phead) {
 
-               pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
+               pnetwork = list_entry(pmlmepriv->pscanned,
+                                     struct wlan_network, list);
 
                rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
 
index 655a57a27c9fdd402de9aac6c4989009eb17ce81..c5430e737bb16e4082030419f08b63aaa349eb5b 100644 (file)
@@ -5135,10 +5135,9 @@ void _linked_info_dump(struct adapter *padapter)
 
                        spin_lock_bh(&pstapriv->asoc_list_lock);
                        phead = &pstapriv->asoc_list;
-                       plist = get_next(phead);
-                       while (phead != plist) {
-                               psta = container_of(plist, struct sta_info, asoc_list);
-                               plist = get_next(plist);
+                       list_for_each(plist, phead) {
+                               psta = list_entry(plist, struct sta_info,
+                                                 asoc_list);
                        }
                        spin_unlock_bh(&pstapriv->asoc_list_lock);
 
@@ -6108,12 +6107,9 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf)
                spin_lock_bh(&pxmitpriv->lock);
 
                xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
-               xmitframe_plist = get_next(xmitframe_phead);
-
-               while (xmitframe_phead != xmitframe_plist) {
-                       pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
-
-                       xmitframe_plist = get_next(xmitframe_plist);
+               list_for_each(xmitframe_plist, xmitframe_phead) {
+                       pxmitframe = list_entry(xmitframe_plist,
+                                               struct xmit_frame, list);
 
                        list_del_init(&pxmitframe->list);
 
index 385bbbdb2de52566d61eecc2002ddba5d588250c..fa164d25f4ebc004c07d0f518f39d95607d16aea 100644 (file)
@@ -148,13 +148,11 @@ u32 _rtw_free_sta_priv(struct     sta_priv *pstapriv)
                spin_lock_bh(&pstapriv->sta_hash_lock);
                for (index = 0; index < NUM_STA; index++) {
                        phead = &(pstapriv->sta_hash[index]);
-                       plist = get_next(phead);
-
-                       while (phead != plist) {
+                       list_for_each(plist, phead) {
                                int i;
 
-                               psta = container_of(plist, struct sta_info, hash_list);
-                               plist = get_next(plist);
+                               psta = list_entry(plist, struct sta_info,
+                                                 hash_list);
 
                                for (i = 0; i < 16 ; i++) {
                                        preorder_ctrl = &psta->recvreorder_ctrl[i];
@@ -438,12 +436,8 @@ void rtw_free_all_stainfo(struct adapter *padapter)
 
        for (index = 0; index < NUM_STA; index++) {
                phead = &(pstapriv->sta_hash[index]);
-               plist = get_next(phead);
-
-               while (phead != plist) {
-                       psta = container_of(plist, struct sta_info, hash_list);
-
-                       plist = get_next(plist);
+               list_for_each(plist, phead) {
+                       psta = list_entry(plist, struct sta_info, hash_list);
 
                        if (pbcmc_stainfo != psta)
                                rtw_free_stainfo(padapter, psta);
@@ -475,17 +469,14 @@ struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
        spin_lock_bh(&pstapriv->sta_hash_lock);
 
        phead = &(pstapriv->sta_hash[index]);
-       plist = get_next(phead);
-
-       while (phead != plist) {
-               psta = container_of(plist, struct sta_info, hash_list);
+       list_for_each(plist, phead) {
+               psta = list_entry(plist, struct sta_info, hash_list);
 
                if ((!memcmp(psta->hwaddr, addr, ETH_ALEN)))
                 /*  if found the matched address */
                        break;
 
                psta = NULL;
-               plist = get_next(plist);
        }
 
        spin_unlock_bh(&pstapriv->sta_hash_lock);
@@ -531,10 +522,8 @@ u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr)
 
        spin_lock_bh(&(pacl_node_q->lock));
        phead = get_list_head(pacl_node_q);
-       plist = get_next(phead);
-       while (phead != plist) {
-               paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
 
                if (!memcmp(paclnode->addr, mac_addr, ETH_ALEN))
                        if (paclnode->valid == true) {
index 03d036bd2ac60ad821056a572d6a9d5eb4cb7661..7e3477a45a0fb80ef627ccea7d4946b71bb42625 100644 (file)
@@ -1729,12 +1729,8 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram
        spin_lock_bh(&pframequeue->lock);
 
        phead = get_list_head(pframequeue);
-       plist = get_next(phead);
-
-       while (phead != plist) {
-               pxmitframe = container_of(plist, struct xmit_frame, list);
-
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               pxmitframe = list_entry(plist, struct xmit_frame, list);
 
                rtw_free_xmitframe(pxmitpriv, pxmitframe);
        }
@@ -2134,12 +2130,8 @@ static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struc
        struct hw_xmit *phwxmits =  padapter->xmitpriv.hwxmits;
 
        phead = get_list_head(pframequeue);
-       plist = get_next(phead);
-
-       while (phead != plist) {
-               pxmitframe = container_of(plist, struct xmit_frame, list);
-
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               pxmitframe = list_entry(plist, struct xmit_frame, list);
 
                pattrib = &pxmitframe->attrib;
 
@@ -2209,12 +2201,9 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
        spin_lock_bh(&pxmitpriv->lock);
 
        xmitframe_phead = get_list_head(&psta->sleep_q);
-       xmitframe_plist = get_next(xmitframe_phead);
-
-       while (xmitframe_phead != xmitframe_plist) {
-               pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
-
-               xmitframe_plist = get_next(xmitframe_plist);
+       list_for_each(xmitframe_plist, xmitframe_phead) {
+               pxmitframe = list_entry(xmitframe_plist, struct xmit_frame,
+                                       list);
 
                list_del_init(&pxmitframe->list);
 
@@ -2283,12 +2272,9 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta)
 
        if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */
                xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
-               xmitframe_plist = get_next(xmitframe_phead);
-
-               while (xmitframe_phead != xmitframe_plist) {
-                       pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
-
-                       xmitframe_plist = get_next(xmitframe_plist);
+               list_for_each(xmitframe_plist, xmitframe_phead) {
+                       pxmitframe = list_entry(xmitframe_plist,
+                                               struct xmit_frame, list);
 
                        list_del_init(&pxmitframe->list);
 
@@ -2330,12 +2316,9 @@ void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *pst
        spin_lock_bh(&pxmitpriv->lock);
 
        xmitframe_phead = get_list_head(&psta->sleep_q);
-       xmitframe_plist = get_next(xmitframe_phead);
-
-       while (xmitframe_phead != xmitframe_plist) {
-               pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
-
-               xmitframe_plist = get_next(xmitframe_plist);
+       list_for_each(xmitframe_plist, xmitframe_phead) {
+               pxmitframe = list_entry(xmitframe_plist, struct xmit_frame,
+                                       list);
 
                switch (pxmitframe->attrib.priority) {
                case 1:
index bd95e62fb053ff07171f6e66287e8e15af9fa1d8..ec9f275cbc7e1b229ea1c9ef9081bea92432559b 100644 (file)
@@ -223,12 +223,11 @@ static s32 xmit_xmitframes(struct adapter *padapter, struct xmit_priv *pxmitpriv
                spin_lock_bh(&pxmitpriv->lock);
 
                sta_phead = get_list_head(phwxmit->sta_queue);
-               sta_plist = get_next(sta_phead);
                /* because stop_sta_xmit may delete sta_plist at any time */
                /* so we should add lock here, or while loop can not exit */
-               while (sta_phead != sta_plist) {
-                       ptxservq = container_of(sta_plist, struct tx_servq, tx_pending);
-                       sta_plist = get_next(sta_plist);
+               list_for_each(sta_plist, sta_phead) {
+                       ptxservq = list_entry(sta_plist, struct tx_servq,
+                                             tx_pending);
 
                        pframe_queue = &ptxservq->sta_pending;
 
index 2d8d4920785c10ce96f05f39f5321a4c4f8c86a1..2a78e6a205ac1899b807fea87cf9feaef127d638 100644 (file)
@@ -1262,14 +1262,9 @@ void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
 
        phead = get_list_head(queue);
-       plist = get_next(phead);
-
-       while (1)
+       list_for_each(plist, phead)
        {
-               if (phead == plist)
-                       break;
-
-               pnetwork = container_of(plist, struct wlan_network, list);
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                /* report network only if the current channel set contains the channel to which this network belongs */
                if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
@@ -1281,8 +1276,6 @@ void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
                        rtw_cfg80211_inform_bss(padapter, pnetwork);
                }
 
-               plist = get_next(plist);
-
        }
 
        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
@@ -2486,13 +2479,9 @@ static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev
        spin_lock_bh(&pstapriv->asoc_list_lock);
 
        phead = &pstapriv->asoc_list;
-       plist = get_next(phead);
-
        /* check asoc_queue */
-       while (phead != plist) {
-               psta = container_of(plist, struct sta_info, asoc_list);
-
-               plist = get_next(plist);
+       list_for_each(plist, phead) {
+               psta = list_entry(plist, struct sta_info, asoc_list);
 
                if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
                        if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
index 5912915a7870d0bc8a2de8dbf908bd4612186f47..189e3137a2323980bf687756a2e8d46c58a72116 100644 (file)
@@ -1052,15 +1052,9 @@ static int rtw_wx_set_wap(struct net_device *dev,
        authmode = padapter->securitypriv.ndisauthtype;
        spin_lock_bh(&queue->lock);
        phead = get_list_head(queue);
-       pmlmepriv->pscanned = get_next(phead);
-
-       while (1) {
-               if (phead == pmlmepriv->pscanned)
-                       break;
-
-               pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
-
-               pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
+       list_for_each(pmlmepriv->pscanned, phead) {
+               pnetwork = list_entry(pmlmepriv->pscanned,
+                                     struct wlan_network, list);
 
                dst_bssid = pnetwork->network.MacAddress;
 
@@ -1299,18 +1293,13 @@ static int rtw_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
 
        phead = get_list_head(queue);
-       plist = get_next(phead);
-
-       while (1) {
-               if (phead == plist)
-                       break;
-
+       list_for_each(plist, phead) {
                if ((stop - ev) < SCAN_ITEM_SIZE) {
                        ret = -E2BIG;
                        break;
                }
 
-               pnetwork = container_of(plist, struct wlan_network, list);
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                /* report network only if the current channel set contains the channel to which this network belongs */
                if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
@@ -1320,8 +1309,6 @@ static int rtw_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
                        ev = translate_scan(padapter, a, pnetwork, ev, stop);
                }
 
-               plist = get_next(plist);
-
        }
 
        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
@@ -1387,15 +1374,9 @@ static int rtw_wx_set_essid(struct net_device *dev,
 
                spin_lock_bh(&queue->lock);
                phead = get_list_head(queue);
-               pmlmepriv->pscanned = get_next(phead);
-
-               while (1) {
-                       if (phead == pmlmepriv->pscanned)
-                               break;
-
-                       pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
-
-                       pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
+               list_for_each(pmlmepriv->pscanned, phead) {
+                       pnetwork = list_entry(pmlmepriv->pscanned,
+                                             struct wlan_network, list);
 
                        dst_ssid = pnetwork->network.Ssid.Ssid;
 
@@ -2252,14 +2233,8 @@ static int rtw_get_ap_info(struct net_device *dev,
        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
 
        phead = get_list_head(queue);
-       plist = get_next(phead);
-
-       while (1) {
-               if (phead == plist)
-                       break;
-
-
-               pnetwork = container_of(plist, struct wlan_network, list);
+       list_for_each(plist, phead) {
+               pnetwork = list_entry(plist, struct wlan_network, list);
 
                if (!mac_pton(data, bssid)) {
                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
@@ -2282,8 +2257,6 @@ static int rtw_get_ap_info(struct net_device *dev,
                        }
                }
 
-               plist = get_next(plist);
-
        }
 
        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
index 6b039c1d8d57ffdfc3b8af19e161f55ef9f7eb32..530e7a6c67c51f357232a787eb4045f75d48dc15 100644 (file)
@@ -137,13 +137,11 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb)
 
        spin_lock_bh(&pstapriv->asoc_list_lock);
        phead = &pstapriv->asoc_list;
-       plist = get_next(phead);
-
        /* free sta asoc_queue */
-       while (phead != plist) {
+       list_for_each(plist, phead) {
                int stainfo_offset;
-               psta = container_of(plist, struct sta_info, asoc_list);
-               plist = get_next(plist);
+
+               psta = list_entry(plist, struct sta_info, asoc_list);
 
                stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
                if (stainfo_offset_valid(stainfo_offset)) {