mcb: request_mem_region() returns NULL on error

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 <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
jangid · Apr 3, 2015 · d86fb45 · d86fb45
1 parent 127af88
commit d86fb45
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
@@ -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,
 				 KBUILD_MODNAME);
-	if (IS_ERR(res)) {
+	if (!res) {
 		dev_err(&pdev->dev, "Failed to request PCI memory\n");
-		ret = PTR_ERR(res);
+		ret = -EBUSY;
 		goto out_disable;
 	}