Staging: rtl8188eu: os_dep: mlme_linux.c: Remove explicit NULL comparison

Author: Shraddha Barke <shraddha.6596@gmail.com>

Remove explicit NULL comparison and write it in its simpler form.
Replacement done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Shraddha Barke 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/rtl8188eu/os_dep/mlme_linux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
index 218adaa..eb8ecb7 100644
--- a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
@@ -152,7 +152,7 @@ void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *pst
 	union iwreq_data wrqu;
 	struct sta_priv *pstapriv = &padapter->stapriv;
 
-	if (psta == NULL)
+	if (!psta)
 		return;
 
 	if (psta->aid > NUM_STA)
@@ -176,7 +176,7 @@ void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *
 	union iwreq_data wrqu;
 	struct sta_priv *pstapriv = &padapter->stapriv;
 
-	if (psta == NULL)
+	if (!psta)
 		return;
 
 	if (psta->aid > NUM_STA)