From 0a4ce9dddc57c829e023a2404f8b491220b164e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Bremv=C3=A5g?= <christian@aircrack-ng.org>
Date: Fri, 16 Aug 2019 23:10:38 +0200
Subject: [PATCH] staging: replace explicit NULL comparison

Replace explicit NULL comparison with ! operator to
simplify code.

Found with Coccinelle script:
@@
expression ptr;
position p;
statement s0;
@@

ptr@p =
\(kmalloc\|devm_kzalloc\|kmalloc_array\|devm_ioremap\|usb_alloc_urb\|
alloc_netdev\|dev_alloc_skb\)(...)
... when != ptr

if (
(
+ !
ptr
- == NULL
)
) s0
---
 os_dep/linux/xmit_linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os_dep/linux/xmit_linux.c b/os_dep/linux/xmit_linux.c
index ebbf1f0..13ae4d3 100644
--- a/os_dep/linux/xmit_linux.c
+++ b/os_dep/linux/xmit_linux.c
@@ -132,7 +132,7 @@ int rtw_os_xmit_resource_alloc(_adapter *padapter, struct xmit_buf *pxmitbuf, u3
 		int i;
 		for (i = 0; i < 8; i++) {
 			pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
-			if (pxmitbuf->pxmit_urb[i] == NULL) {
+			if (!pxmitbuf->pxmit_urb[i]) {
 				RTW_INFO("pxmitbuf->pxmit_urb[i]==NULL");
 				return _FAIL;
 			}