diff --git a/drivers/staging/rtl8723bs/core/rtw_debug.c b/drivers/staging/rtl8723bs/core/rtw_debug.c
index 0de1e12a676e..9f8446ccf771 100644
--- a/drivers/staging/rtl8723bs/core/rtw_debug.c
+++ b/drivers/staging/rtl8723bs/core/rtw_debug.c
@@ -1425,9 +1425,8 @@ int proc_get_btcoex_info(struct seq_file *m, void *v)
 	padapter = (struct adapter *)rtw_netdev_priv(dev);
 
 	pbuf = rtw_zmalloc(bufsize);
-	if (NULL == pbuf) {
+	if (!pbuf)
 		return -ENOMEM;
-	}
 
 	rtw_btcoex_DisplayBtCoexInfo(padapter, pbuf, bufsize);