We need to undo a 'pci_request_regions()' call in the error handling path
of the probe function and in the remove function.
Fixes: 22d40209de3b ("i2c: thunderx: Add i2c driver for ThunderX SOC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-thunderx-pcidrv.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 12c90aa0900e..2d37096a6968 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -177,8 +177,10 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
return ret;
i2c->twsi_base = pcim_iomap(pdev, 0, pci_resource_len(pdev, 0));
- if (!i2c->twsi_base)
- return -EINVAL;
+ if (!i2c->twsi_base) {
+ ret = -EINVAL;
+ goto err_release_regions;
+ }
thunder_i2c_clock_enable(dev, i2c);
ret = device_property_read_u32(dev, "clock-frequency", &i2c->twsi_freq);
@@ -231,6 +233,8 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
error:
thunder_i2c_clock_disable(dev, i2c->clk);
+err_release_regions:
+ pci_release_regions(pdev);
return ret;
}
@@ -241,6 +245,7 @@ static void thunder_i2c_remove_pci(struct pci_dev *pdev)
thunder_i2c_smbus_remove(i2c);
thunder_i2c_clock_disable(&pdev->dev, i2c->clk);
i2c_del_adapter(&i2c->adap);
+ pci_release_regions(pdev);
}
static const struct pci_device_id thunder_i2c_pci_id_table[] = {
--
2.30.2
