linux-kernel - [PATCH net-next 08/10] net: wan: replace comparison to NULL with "!card"

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Date:   Mon, 24 May 2021 22:47:15 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <xie.he.0141@...il.com>,
        <ms@....tdt.de>, <willemb@...gle.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lipeng321@...wei.com>, <tanhuazhong@...wei.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH net-next 08/10] net: wan: replace comparison to NULL with "!card"

From: Peng Li <lipeng321@...wei.com>

According to the chackpatch.pl, comparison to NULL could
be written "!card".

Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 drivers/net/wan/wanxl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index a5f0aae30e0c..5a89b6d4d92e 100644
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -600,7 +600,7 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
 	}
 
 	card = kzalloc(struct_size(card, ports, ports), GFP_KERNEL);
-	if (card == NULL) {
+	if (!card) {
 		pci_release_regions(pdev);
 		pci_disable_device(pdev);
 		return -ENOBUFS;
@@ -612,7 +612,7 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
 	card->status = dma_alloc_coherent(&pdev->dev,
 					  sizeof(struct card_status),
 					  &card->status_address, GFP_KERNEL);
-	if (card->status == NULL) {
+	if (!card->status) {
 		wanxl_pci_remove_one(pdev);
 		return -ENOBUFS;
 	}
-- 
2.8.1