Some functions like kmalloc/kzalloc return NULL on failure.
When NULL represents failure, !x is commonly used.
This was done using Coccinelle:
@@
expression *e;
identifier l1;
@@
e = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\)(...);
...
- e == NULL
+ !e
Signed-off-by: simran singhal <singhalsimr...@gmail.com>
---
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c | 2 +-
drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c | 2 +-
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 2 +-
drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c | 4 ++--
4 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index 713f1d6..df94021 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -67,7 +67,7 @@ static void *ieee80211_tkip_init(int key_idx)
struct ieee80211_tkip_data *priv;
priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
- if (priv == NULL)
+ if (!priv)
goto fail;
priv->key_idx = key_idx;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
index 0e8c876..7ba4b07 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_wep.c
@@ -42,7 +42,7 @@ static void *prism2_wep_init(int keyidx)
struct prism2_wep_data *priv;
priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
- if (priv == NULL)
+ if (!priv)
return NULL;
priv->key_idx = keyidx;
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 1bff0e9..4adab30 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -3025,7 +3025,7 @@ static int ieee80211_wpa_set_encryption(struct
ieee80211_device *ieee,
ieee80211_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
- if (new_crypt == NULL) {
+ if (!new_crypt) {
ret = -ENOMEM;
goto done;
}
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 2481c21..c925e53 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -362,7 +362,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
/* take WEP into use */
new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
GFP_KERNEL);
- if (new_crypt == NULL)
+ if (!new_crypt)
return -ENOMEM;
new_crypt->ops = ieee80211_get_crypto_ops("WEP");
if (!new_crypt->ops) {
@@ -610,7 +610,7 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device
*ieee,
ieee80211_crypt_delayed_deinit(ieee, crypt);
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
- if (new_crypt == NULL) {
+ if (!new_crypt) {
ret = -ENOMEM;
goto done;
}
--
2.7.4
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
