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Date: Thu, 10 Oct 2019 16:15:29 +0300
From: Wambui Karuga <wambui.karugax@...il.com>
To: outreachy-kernel@...glegroups.com
Cc: gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org,
Wambui Karuga <wambui.karugax@...il.com>
Subject: [PATCH v3 1/4] staging: rtl8723bs: Remove comparisons to NULL in conditionals
Remove most comparisons to NULL in conditionals in
drivers/staging/rtl8723bs/core/rtw_mlme.c
Issues reported by checkpatch.pl as:
CHECK: Comparison to NULL could be written
Signed-off-by: Wambui Karuga <wambui.karugax@...il.com>
---
drivers/staging/rtl8723bs/core/rtw_mlme.c | 50 +++++++++++------------
1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c
index a03cc005f053..b0018fe7bae3 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c
@@ -40,7 +40,7 @@ int rtw_init_mlme_priv(struct adapter *padapter)
pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
- if (pbuf == NULL) {
+ if (!pbuf) {
res = _FAIL;
goto exit;
}
@@ -185,7 +185,7 @@ void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwor
/* _irqL irqL; */
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
- if (pnetwork == NULL)
+ if (!pnetwork)
return;
if (pnetwork->fixed == true)
@@ -220,7 +220,7 @@ void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *
struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
- if (pnetwork == NULL)
+ if (!pnetwork)
return;
if (pnetwork->fixed == true)
@@ -633,7 +633,7 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t
/* If there are no more slots, expire the oldest */
/* list_del_init(&oldest->list); */
pnetwork = oldest;
- if (pnetwork == NULL) {
+ if (!pnetwork) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
goto exit;
}
@@ -654,7 +654,7 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t
pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
- if (pnetwork == NULL) {
+ if (!pnetwork) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
goto exit;
}
@@ -738,7 +738,7 @@ int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwor
privacy = pnetwork->network.Privacy;
if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
- if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
+ if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
return true;
else
return false;
@@ -1166,7 +1166,7 @@ static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, str
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
- if (psta == NULL) {
+ if (!psta) {
psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
}
@@ -1413,7 +1413,7 @@ void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
/* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
- if (ptarget_sta == NULL) {
+ if (!ptarget_sta) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
goto ignore_joinbss_callback;
@@ -1503,7 +1503,7 @@ void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u3
{
u16 media_status_rpt;
- if (psta == NULL)
+ if (!psta)
return;
media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
@@ -1561,7 +1561,7 @@ void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
/* for AD-HOC mode */
psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
- if (psta != NULL) {
+ if (psta) {
/* the sta have been in sta_info_queue => do nothing */
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
@@ -1570,7 +1570,7 @@ void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
}
psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
- if (psta == NULL) {
+ if (!psta) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
return;
}
@@ -1993,7 +1993,7 @@ int rtw_select_roaming_candidate(struct mlme_priv *mlme)
struct wlan_network *pnetwork = NULL;
struct wlan_network *candidate = NULL;
- if (mlme->cur_network_scanned == NULL) {
+ if (!mlme->cur_network_scanned) {
rtw_warn_on(1);
return ret;
}
@@ -2006,7 +2006,7 @@ int rtw_select_roaming_candidate(struct mlme_priv *mlme)
while (phead != mlme->pscanned) {
pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
- if (pnetwork == NULL) {
+ if (!pnetwork) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
ret = _FAIL;
goto exit;
@@ -2024,7 +2024,7 @@ int rtw_select_roaming_candidate(struct mlme_priv *mlme)
}
- if (candidate == NULL) {
+ if (!candidate) {
DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
ret = _FAIL;
goto exit;
@@ -2141,7 +2141,7 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
while (phead != pmlmepriv->pscanned) {
pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
- if (pnetwork == NULL) {
+ if (!pnetwork) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
ret = _FAIL;
goto exit;
@@ -2159,7 +2159,7 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
}
- if (candidate == NULL) {
+ if (!candidate) {
DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
#ifdef CONFIG_WOWLAN
_clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
@@ -2200,14 +2200,14 @@ sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
sint res = _SUCCESS;
pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
- if (pcmd == NULL) {
+ if (!pcmd) {
res = _FAIL; /* try again */
goto exit;
}
psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
- if (psetauthparm == NULL) {
- kfree(pcmd);
+ if (!psetauthparm) {
+ kfree((unsigned char *)pcmd);
res = _FAIL;
goto exit;
}
@@ -2240,7 +2240,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s
sint res = _SUCCESS;
psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
- if (psetkeyparm == NULL) {
+ if (!psetkeyparm) {
res = _FAIL;
goto exit;
}
@@ -2291,8 +2291,8 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s
if (enqueue) {
pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
- if (pcmd == NULL) {
- kfree(psetkeyparm);
+ if (!pcmd) {
+ kfree((unsigned char *)psetkeyparm);
res = _FAIL; /* try again */
goto exit;
}
@@ -2672,7 +2672,7 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_
ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
/* Get HT BW */
- if (in_ie == NULL) {
+ if (!in_ie) {
/* TDLS: TODO 20/40 issue */
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
operation_bw = padapter->mlmeextpriv.cur_bwmode;
@@ -2787,7 +2787,7 @@ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_
phtpriv->ht_option = true;
- if (in_ie != NULL) {
+ if (in_ie) {
p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
out_len = *pout_len;
@@ -2954,7 +2954,7 @@ void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitfr
return;
}
- if (psta == NULL) {
+ if (!psta) {
DBG_871X("%s, psta ==NUL\n", __func__);
return;
}
--
2.23.0
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