gpio-pch: cleanup NULL pointer checking

This patch will remove the following sparse warning ("make C=1"):
 * warning: Using plain integer as NULL pointer

Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index f0603297f829..7f008fbc4b96 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) {
                 dev_err(&pdev->dev, "%s : pci_iomap FAILED", __func__);
                 ret = -ENOMEM;
                 goto err_iomap;