Commit 8324147f authored by Johan Hovold's avatar Johan Hovold Committed by Mark Brown

spi: fix device-node leaks

Make sure to release the device-node reference taken in
of_register_spi_device() on errors and when deregistering the device.

Fixes: 284b0189 ("spi: Add OF binding support for SPI busses")
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 31ae7794
......@@ -621,8 +621,10 @@ void spi_unregister_device(struct spi_device *spi)
if (!spi)
return;
if (spi->dev.of_node)
if (spi->dev.of_node) {
of_node_clear_flag(spi->dev.of_node, OF_POPULATED);
of_node_put(spi->dev.of_node);
}
if (ACPI_COMPANION(&spi->dev))
acpi_device_clear_enumerated(ACPI_COMPANION(&spi->dev));
device_unregister(&spi->dev);
......@@ -1603,11 +1605,13 @@ of_register_spi_device(struct spi_master *master, struct device_node *nc)
if (rc) {
dev_err(&master->dev, "spi_device register error %s\n",
nc->full_name);
goto err_out;
goto err_of_node_put;
}
return spi;
err_of_node_put:
of_node_put(nc);
err_out:
spi_dev_put(spi);
return ERR_PTR(rc);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment