[PATCH 15/19] staging: rtl8723bs: rewrite comparison to null

From: Fabio Aiuto
Date: Wed Apr 07 2021 - 09:51:07 EST


fi following post-commit checkpatch issues:

CHECK: Comparison to NULL could be written "!p"
290: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:978:
+ if (p == NULL)
--
CHECK: Comparison to NULL could be written "!pmgntframe"
328: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:2016:
+ if (pmgntframe == NULL)
--
CHECK: Comparison to NULL could be written "!pmgntframe"
361: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:2378:
+ if (pmgntframe == NULL)
--
CHECK: Comparison to NULL could be written "!pmgntframe"
391: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:3478:
+ if (pmgntframe == NULL)
--
CHECK: Comparison to NULL could be written "!p"
427: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:4071:
+ if (p == NULL)
--
CHECK: Comparison to NULL could be written "!BIP_AAD"
781: FILE: drivers/staging/rtl8723bs/core/rtw_security.c:1690:
+ if (BIP_AAD == NULL)
--
CHECK: Comparison to NULL could be written "!pwep"
1773: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3062:
+ if (pwep == NULL)
--
CHECK: Comparison to NULL could be written "!pmlmepriv->wps_beacon_ie"
1784: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3510:
+ if (pmlmepriv->wps_beacon_ie == NULL)
--
CHECK: Comparison to NULL could be written "!pmlmepriv->wps_probe_resp_ie"
1795: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3544:
+ if (pmlmepriv->wps_probe_resp_ie == NULL)
--
CHECK: Comparison to NULL could be written "!pmlmepriv->wps_assoc_resp_ie"
1807: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3574:
+ if (pmlmepriv->wps_assoc_resp_ie == NULL)
--
CHECK: Comparison to NULL could be written "!pbuf"
1818: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3928:
+ if (pbuf == NULL)
--
CHECK: Comparison to NULL could be written "!if1"
1944: FILE: drivers/staging/rtl8723bs/os_dep/sdio_intf.c:392:
+ if (if1 == NULL)

CHECK: Using comparison to false is error prone
402: FILE: drivers/staging/rtl8723bs/core/rtw_mlme_ext.c:3890:
+ if (false == bxmitok)
--
CHECK: Using comparison to true is error prone
671: FILE: drivers/staging/rtl8723bs/core/rtw_recv.c:365:
+ if ((prxattrib->bdecrypted == true) && (brpt_micerror == true))
--
CHECK: Using comparison to true is error prone
1051: FILE: drivers/staging/rtl8723bs/core/rtw_xmit.c:1174:
+ if (padapter->securitypriv.binstallBIPkey != true)
--
CHECK: Using comparison to false is error prone
1632: FILE: drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2194:
+ if (false == bMatched)

Signed-off-by: Fabio Aiuto <fabioaiuto83@xxxxxxxxx>
---
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 12 ++++++------
drivers/staging/rtl8723bs/core/rtw_recv.c | 2 +-
drivers/staging/rtl8723bs/core/rtw_security.c | 2 +-
drivers/staging/rtl8723bs/core/rtw_xmit.c | 2 +-
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 2 +-
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 10 +++++-----
drivers/staging/rtl8723bs/os_dep/sdio_intf.c | 2 +-
7 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 1ed43423f2de..7f998a2f8001 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -975,7 +975,7 @@ unsigned int OnAuthClient(struct adapter *padapter, union recv_frame *precv_fram
p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, WLAN_EID_CHALLENGE, (int *)&len,
pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_);

- if (p == NULL)
+ if (!p)
goto authclnt_fail;

memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len);
@@ -2013,7 +2013,7 @@ static struct xmit_frame *_alloc_mgtxmitframe(struct xmit_priv *pxmitpriv, bool
else
pmgntframe = rtw_alloc_xmitframe_ext(pxmitpriv);

- if (pmgntframe == NULL)
+ if (!pmgntframe)
goto exit;

pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv);
@@ -2375,7 +2375,7 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p
return;

pmgntframe = alloc_mgtxmitframe(pxmitpriv);
- if (pmgntframe == NULL)
+ if (!pmgntframe)
return;

/* update attribute */
@@ -3475,7 +3475,7 @@ void issue_action_SA_Query(struct adapter *padapter, unsigned char *raddr, unsig
__le16 le_tmp;

pmgntframe = alloc_mgtxmitframe(pxmitpriv);
- if (pmgntframe == NULL)
+ if (!pmgntframe)
return;

/* update attribute */
@@ -3887,7 +3887,7 @@ unsigned int send_beacon(struct adapter *padapter)
}


- if (false == bxmitok)
+ if (!bxmitok)
return _FAIL;
else
return _SUCCESS;
@@ -4068,7 +4068,7 @@ u8 collect_bss_info(struct adapter *padapter, union recv_frame *precv_frame, str

/* checking SSID */
p = rtw_get_ie(bssid->IEs + ie_offset, WLAN_EID_SSID, &len, bssid->IELength - ie_offset);
- if (p == NULL)
+ if (!p)
return _FAIL;

if (*(p + 1)) {
diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c
index 866b8c540c0c..18ad719c9826 100644
--- a/drivers/staging/rtl8723bs/core/rtw_recv.c
+++ b/drivers/staging/rtl8723bs/core/rtw_recv.c
@@ -362,7 +362,7 @@ static signed int recvframe_chkmic(struct adapter *adapter, union recv_frame *p
if ((IS_MCAST(prxattrib->ra) == true) && (prxattrib->key_index != pmlmeinfo->key_index))
brpt_micerror = false;

- if ((prxattrib->bdecrypted == true) && (brpt_micerror == true))
+ if ((prxattrib->bdecrypted) && (brpt_micerror))
rtw_handle_tkip_mic_err(adapter, (u8)IS_MCAST(prxattrib->ra));

res = _FAIL;
diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index bb15b5af744c..9587d89a6b24 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -1687,7 +1687,7 @@ u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe)
ori_len = pattrib->pkt_len-WLAN_HDR_A3_LEN+BIP_AAD_SIZE;
BIP_AAD = rtw_zmalloc(ori_len);

- if (BIP_AAD == NULL)
+ if (!BIP_AAD)
return _FAIL;

/* PKT start */
diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c
index af69f2da6ecd..77378f7d6b9e 100644
--- a/drivers/staging/rtl8723bs/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c
@@ -1171,7 +1171,7 @@ s32 rtw_mgmt_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, s
goto xmitframe_coalesce_success;

/* IGTK key is not install, it may not support 802.11w */
- if (padapter->securitypriv.binstallBIPkey != true)
+ if (!padapter->securitypriv.binstallBIPkey)
goto xmitframe_coalesce_success;

/* station mode doesn't need TX BIP, just ready the code */
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index ca58ea6c4fb8..f96322bdf510 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -2191,7 +2191,7 @@ static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
}
}

- if (false == bMatched)
+ if (!bMatched)
return -EINVAL;

return 0;
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index 40adecbb66d6..679deb781321 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -3059,7 +3059,7 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param,
wep_key_len = wep_key_len <= 5 ? 5 : 13;
wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
pwep = kzalloc(wep_total_len, GFP_KERNEL);
- if (pwep == NULL)
+ if (!pwep)
goto exit;

pwep->KeyLength = wep_key_len;
@@ -3507,7 +3507,7 @@ static int rtw_set_wps_beacon(struct net_device *dev, struct ieee_param *param,
if (ie_len > 0) {
pmlmepriv->wps_beacon_ie = rtw_malloc(ie_len);
pmlmepriv->wps_beacon_ie_len = ie_len;
- if (pmlmepriv->wps_beacon_ie == NULL)
+ if (!pmlmepriv->wps_beacon_ie)
return -EINVAL;

memcpy(pmlmepriv->wps_beacon_ie, param->u.bcn_ie.buf, ie_len);
@@ -3541,7 +3541,7 @@ static int rtw_set_wps_probe_resp(struct net_device *dev, struct ieee_param *par
if (ie_len > 0) {
pmlmepriv->wps_probe_resp_ie = rtw_malloc(ie_len);
pmlmepriv->wps_probe_resp_ie_len = ie_len;
- if (pmlmepriv->wps_probe_resp_ie == NULL)
+ if (!pmlmepriv->wps_probe_resp_ie)
return -EINVAL;

memcpy(pmlmepriv->wps_probe_resp_ie, param->u.bcn_ie.buf, ie_len);
@@ -3571,7 +3571,7 @@ static int rtw_set_wps_assoc_resp(struct net_device *dev, struct ieee_param *par
if (ie_len > 0) {
pmlmepriv->wps_assoc_resp_ie = rtw_malloc(ie_len);
pmlmepriv->wps_assoc_resp_ie_len = ie_len;
- if (pmlmepriv->wps_assoc_resp_ie == NULL)
+ if (!pmlmepriv->wps_assoc_resp_ie)
return -EINVAL;

memcpy(pmlmepriv->wps_assoc_resp_ie, param->u.bcn_ie.buf, ie_len);
@@ -3925,7 +3925,7 @@ static int rtw_test(
len = wrqu->data.length;

pbuf = rtw_zmalloc(len);
- if (pbuf == NULL)
+ if (!pbuf)
return -ENOMEM;

if (copy_from_user(pbuf, wrqu->data.pointer, len)) {
diff --git a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
index 7010bdd0e69d..5de4c70aab6a 100644
--- a/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
+++ b/drivers/staging/rtl8723bs/os_dep/sdio_intf.c
@@ -389,7 +389,7 @@ static int rtw_drv_init(
goto exit;

if1 = rtw_sdio_if1_init(dvobj, id);
- if (if1 == NULL)
+ if (!if1)
goto free_dvobj;

/* dev_alloc_name && register_netdev */
--
2.20.1