linux-kernel - [PATCH net-next 3/6] net: pci200syn: replace comparison to NULL with "!card"

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Message-ID: <1623765263-36775-4-git-send-email-lipeng321@huawei.com>
Date:   Tue, 15 Jun 2021 21:54:20 +0800
From:   Peng Li <lipeng321@...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>,
        <huangguangbin2@...wei.com>
Subject: [PATCH net-next 3/6] net: pci200syn: replace comparison to NULL with "!card"

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

Signed-off-by: Peng Li <lipeng321@...wei.com>
---
 drivers/net/wan/pci200syn.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c
index a7eac90..cee3d65 100644
--- a/drivers/net/wan/pci200syn.c
+++ b/drivers/net/wan/pci200syn.c
@@ -279,7 +279,7 @@ static int pci200_pci_init_one(struct pci_dev *pdev,
 	}
 
 	card = kzalloc(sizeof(card_t), GFP_KERNEL);
-	if (card == NULL) {
+	if (!card) {
 		pci_release_regions(pdev);
 		pci_disable_device(pdev);
 		return -ENOBUFS;
@@ -310,9 +310,7 @@ static int pci200_pci_init_one(struct pci_dev *pdev,
 	ramphys = pci_resource_start(pdev,3) & PCI_BASE_ADDRESS_MEM_MASK;
 	card->rambase = pci_ioremap_bar(pdev, 3);
 
-	if (card->plxbase == NULL ||
-	    card->scabase == NULL ||
-	    card->rambase == NULL) {
+	if (!card->plxbase || !card->scabase || !card->rambase) {
 		pr_err("ioremap() failed\n");
 		pci200_pci_remove_one(pdev);
 		return -EFAULT;
-- 
2.8.1