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Subject[PATCH] staging: rtl8192e: Fix comparisons to NULL
Date
Checkpatch prefers the shorter version (x / !x) over
(!= NULL / == NULL), respectively.

Signed-off-by: Davidson Francis <davidsondfgl@gmail.com>
---
drivers/staging/rtl8192e/rtllib_wx.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
index 2e486ccb6432..ecd472baee16 100644
--- a/drivers/staging/rtl8192e/rtllib_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_wx.c
@@ -324,7 +324,7 @@ int rtllib_wx_set_encode(struct rtllib_device *ieee,
* and if no key index was provided, de-init them all
*/
for (i = 0; i < NUM_WEP_KEYS; i++) {
- if (ieee->crypt_info.crypt[i] != NULL) {
+ if (ieee->crypt_info.crypt[i]) {
if (key_provided)
break;
lib80211_crypt_delayed_deinit(&ieee->crypt_info,
@@ -344,7 +344,7 @@ int rtllib_wx_set_encode(struct rtllib_device *ieee,
sec.enabled = 1;
sec.flags |= SEC_ENABLED;

- if (*crypt != NULL && (*crypt)->ops != NULL &&
+ if (*crypt && (*crypt)->ops &&
strcmp((*crypt)->ops->name, "R-WEP") != 0) {
/* changing to use WEP; deinit previously used algorithm
* on this key
@@ -352,12 +352,12 @@ int rtllib_wx_set_encode(struct rtllib_device *ieee,
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
}

- if (*crypt == NULL) {
+ if (!*crypt) {
struct lib80211_crypt_data *new_crypt;

/* take WEP into use */
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
- if (new_crypt == NULL)
+ if (!new_crypt)
return -ENOMEM;
new_crypt->ops = lib80211_get_crypto_ops("R-WEP");
if (!new_crypt->ops) {
@@ -484,7 +484,7 @@ int rtllib_wx_get_encode(struct rtllib_device *ieee,

erq->flags = key + 1;

- if (crypt == NULL || crypt->ops == NULL) {
+ if (!crypt || !crypt->ops) {
erq->length = 0;
erq->flags |= IW_ENCODE_DISABLED;
return 0;
@@ -549,7 +549,7 @@ int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);

for (i = 0; i < NUM_WEP_KEYS; i++) {
- if (ieee->crypt_info.crypt[i] != NULL)
+ if (ieee->crypt_info.crypt[i])
break;
}
if (i == NUM_WEP_KEYS) {
@@ -582,7 +582,7 @@ int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
netdev_dbg(dev, "alg name:%s\n", alg);

ops = lib80211_get_crypto_ops(alg);
- if (ops == NULL) {
+ if (!ops) {
char tempbuf[100];

memset(tempbuf, 0x00, 100);
@@ -590,19 +590,19 @@ int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
request_module("%s", tempbuf);
ops = lib80211_get_crypto_ops(alg);
}
- if (ops == NULL) {
+ if (!ops) {
netdev_info(dev, "========>unknown crypto alg %d\n", ext->alg);
ret = -EINVAL;
goto done;
}

- if (*crypt == NULL || (*crypt)->ops != ops) {
+ if (!*crypt || (*crypt)->ops != ops) {
struct lib80211_crypt_data *new_crypt;

lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);

new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
- if (new_crypt == NULL) {
+ if (!new_crypt) {
ret = -ENOMEM;
goto done;
}
@@ -610,7 +610,7 @@ int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv = new_crypt->ops->init(idx);

- if (new_crypt->priv == NULL) {
+ if (!new_crypt->priv) {
kfree(new_crypt);
ret = -EINVAL;
goto done;
@@ -766,7 +766,7 @@ int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)
u8 *buf;
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};

- if (len > MAX_WPA_IE_LEN || (len && ie == NULL))
+ if (len > MAX_WPA_IE_LEN || (len && !ie))
return -EINVAL;

if (len) {
@@ -776,7 +776,7 @@ int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)

ieee->wps_ie_len = min_t(size_t, len, MAX_WZC_IE_LEN);
buf = kmemdup(ie, ieee->wps_ie_len, GFP_KERNEL);
- if (buf == NULL)
+ if (!buf)
return -ENOMEM;
ieee->wps_ie = buf;
return 0;
@@ -789,7 +789,7 @@ int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)
if (len != ie[1]+2)
return -EINVAL;
buf = kmemdup(ie, len, GFP_KERNEL);
- if (buf == NULL)
+ if (!buf)
return -ENOMEM;
kfree(ieee->wpa_ie);
ieee->wpa_ie = buf;
--
2.29.1
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