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mcb: request_mem_region() returns NULL on error

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The code here is checking for IS_ERR() when request_mem_region() only
returns NULL on error and never an ERR_PTR.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2015-03-26 22:12:49 +03:00 committed by Greg Kroah-Hartman
parent 127af88285
commit d86fb45b5c
1 changed files with 2 additions and 2 deletions
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4
drivers/mcb/mcb-pci.c
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@ -56,9 +56,9 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
res = request_mem_region(priv->mapbase, CHAM_HEADER_SIZE, res = request_mem_region(priv->mapbase, CHAM_HEADER_SIZE,
KBUILD_MODNAME); KBUILD_MODNAME);
if (IS_ERR(res)) { if (!res) {
dev_err(&pdev->dev, "Failed to request PCI memory\n"); dev_err(&pdev->dev, "Failed to request PCI memory\n");
ret = PTR_ERR(res); ret = -EBUSY;
goto out_disable; goto out_disable;
} }