[PATCH] Staging: rtl8188eu: ioctl_linux: Clean up if function returned NULL on failure.
Amit Ghadge
amitg.b14 at gmail.com
Sun Sep 4 17:23:35 UTC 2016
Clean some all functions to return NULL on failure.
Used !x instead of x==NULL.
Signed-off-by: Amit Ghadge <amitg.b14 at gmail.com>
---
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c | 34 +++++++++++++-------------
1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index 5672f01..40e7fd0 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -400,7 +400,7 @@ static int wpa_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 + offsetof(struct ndis_802_11_wep, KeyMaterial);
pwep = (struct ndis_802_11_wep *)rtw_malloc(wep_total_len);
- if (pwep == NULL) {
+ if (!pwep) {
RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, (" wpa_set_encryption: pwep allocate fail !!!\n"));
goto exit;
}
@@ -441,7 +441,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE)) { /* sta mode */
psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
- if (psta == NULL) {
+ if (!psta) {
;
} else {
if (strcmp(param->u.crypt.alg, "none") != 0)
@@ -476,7 +476,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
}
}
pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
- if (pbcmc_sta == NULL) {
+ if (!pbcmc_sta) {
;
} else {
/* Jeff: don't disable ieee8021x_blocked while clearing key */
@@ -502,9 +502,9 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
int group_cipher = 0, pairwise_cipher = 0;
int ret = 0;
- if ((ielen > MAX_WPA_IE_LEN) || (pie == NULL)) {
+ if ((ielen > MAX_WPA_IE_LEN) || (!pie)) {
_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
- if (pie == NULL)
+ if (!pie)
return ret;
else
return -EINVAL;
@@ -512,7 +512,7 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
if (ielen) {
buf = kmemdup(pie, ielen, GFP_KERNEL);
- if (buf == NULL) {
+ if (!buf) {
ret = -ENOMEM;
goto exit;
}
@@ -1049,7 +1049,7 @@ static int rtw_wx_set_mlme(struct net_device *dev,
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
struct iw_mlme *mlme = (struct iw_mlme *)extra;
- if (mlme == NULL)
+ if (!mlme)
return -1;
DBG_88E("%s\n", __func__);
@@ -1896,7 +1896,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev,
param_len = sizeof(struct ieee_param) + pext->key_len;
param = (struct ieee_param *)rtw_malloc(param_len);
- if (param == NULL)
+ if (!param)
return -1;
memset(param, 0, param_len);
@@ -2061,7 +2061,7 @@ static int wpa_supplicant_ioctl(struct net_device *dev, struct iw_point *p)
}
param = (struct ieee_param *)rtw_malloc(p->length);
- if (param == NULL) {
+ if (!param) {
ret = -ENOMEM;
goto out;
}
@@ -2254,13 +2254,13 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param,
}
}
- if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL)) {
+ if (strcmp(param->u.crypt.alg, "none") == 0 && (!psta)) {
/* todo:clear default encryption keys */
DBG_88E("clear default encryption keys, keyid =%d\n", param->u.crypt.idx);
goto exit;
}
- if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL)) {
+ if (strcmp(param->u.crypt.alg, "WEP") == 0 && (!psta)) {
DBG_88E("r871x_set_encryption, crypt.alg = WEP\n");
wep_key_idx = param->u.crypt.idx;
wep_key_len = param->u.crypt.key_len;
@@ -2274,7 +2274,7 @@ 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 + offsetof(struct ndis_802_11_wep, KeyMaterial);
pwep = (struct ndis_802_11_wep *)rtw_malloc(wep_total_len);
- if (pwep == NULL) {
+ if (!pwep) {
DBG_88E(" r871x_set_encryption: pwep allocate fail !!!\n");
goto exit;
}
@@ -2699,7 +2699,7 @@ 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) {
DBG_88E("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
return -EINVAL;
}
@@ -2734,7 +2734,7 @@ 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) {
DBG_88E("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
return -EINVAL;
}
@@ -2764,7 +2764,7 @@ 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) {
DBG_88E("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
return -EINVAL;
}
@@ -2866,7 +2866,7 @@ static int rtw_hostapd_ioctl(struct net_device *dev, struct iw_point *p)
}
param = (struct ieee_param *)rtw_malloc(p->length);
- if (param == NULL) {
+ if (!param) {
ret = -ENOMEM;
goto out;
}
@@ -2976,7 +2976,7 @@ static int rtw_wx_set_priv(struct net_device *dev,
pmlmepriv->wps_probe_req_ie = NULL;
pmlmepriv->wps_probe_req_ie = rtw_malloc(cp_sz);
- if (pmlmepriv->wps_probe_req_ie == NULL) {
+ if (!pmlmepriv->wps_probe_req_ie) {
pr_info("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
ret = -EINVAL;
goto FREE_EXT;
--
2.5.5
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