linux-kernel - [patch 2/2] gpio-pch: using zero instead of NULL

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Date:	Tue, 18 Oct 2011 09:26:45 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch 2/2] gpio-pch: using zero instead of NULL

Sparse gets cross if you use zero instead of NULL.
drivers/gpio/gpio-pch.c:379:27: warning: Using plain integer as NULL pointer

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 4068084..7ddac42 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -376,7 +376,7 @@ static int __devinit pch_gpio_probe(struct pci_dev *pdev,
 	}
 
 	chip->base = pci_iomap(pdev, 1, 0);
-	if (chip->base == 0) {
+	if (chip->base == NULL) {
 		dev_err(&pdev->dev, "%s : pci_iomap FAILED", __func__);
 		ret = -ENOMEM;
 		goto err_iomap;
--
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