staging: rtl8188eu: core: rtw_mlme: Clean up tests if NULL returned on failure

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: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index 472cd3f..1456499 100644 (file)
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -1579,13 +1579,13 @@ int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
        int             res = _SUCCESS;
 
        pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
-       if (pcmd == NULL) {
+       if (!pcmd) {
                res = _FAIL;  /* try again */
                goto exit;
        }
 
        psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
-       if (psetauthparm == NULL) {
+       if (!psetauthparm) {
                kfree(pcmd);
                res = _FAIL;
                goto exit;
@@ -1616,11 +1616,11 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in
        int     res = _SUCCESS;
 
        pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
-       if (pcmd == NULL)
+       if (!pcmd)
                return _FAIL;  /* try again */
 
        psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
-       if (psetkeyparm == NULL) {
+       if (!psetkeyparm) {
                res = _FAIL;
                goto err_free_cmd;
        }