From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit 9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4 ]
If an error occurs after a successful 'pci_ioremap_bar()' call, it must be undone by a corresponding 'pci_iounmap()' call, as already done in the remove function.
Fixes: a7e1abad13f3 ("ptp: Add clock driver for the OpenCompute TimeCard.") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Acked-by: Richard Cochran richardcochran@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/ptp/ptp_ocp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 530e5f90095e..0d1034e3ed0f 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -324,7 +324,7 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (!bp->base) { dev_err(&pdev->dev, "io_remap bar0\n"); err = -ENOMEM; - goto out; + goto out_release_regions; } bp->reg = bp->base + OCP_REGISTER_OFFSET; bp->tod = bp->base + TOD_REGISTER_OFFSET; @@ -347,6 +347,8 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0;
out: + pci_iounmap(pdev, bp->base); +out_release_regions: pci_release_regions(pdev); out_disable: pci_disable_device(pdev);