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authorDan Carpenter <dan.carpenter@oracle.com>2015-03-26 22:12:49 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-03 16:15:30 +0200
commitd86fb45b5c52d8f2a3e78e81afd85a2a9d4478d7 (patch)
tree868fe4e57c07519ee047e519530391e30565f55a /drivers/mcb
parent127af8828518074ab24e9b5678229513d198d832 (diff)
downloadlinux-rt-d86fb45b5c52d8f2a3e78e81afd85a2a9d4478d7.tar.gz
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 <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mcb')
-rw-r--r--drivers/mcb/mcb-pci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
index 0af7361e377f..de36237d7c6b 100644
--- 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;
}