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

[Dan Carpenter]

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@xxxxxxxxxx>

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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