[PATCH 2/2] spi: sun4i: Fix memory leak on device removal

[Woody Zhang <woodylab@xxxxxxxxxxx>]

Call spi_master_put to free the spi_master structure on device removal
and driver detachment.

Signed-off-by: Woody Zhang <woodylab@xxxxxxxxxxx>
---
 drivers/spi/spi-sun4i.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index b8947265d329..ba5690039f72 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -518,7 +518,10 @@ static int sun4i_spi_probe(struct platform_device *pdev)
 
 static void sun4i_spi_remove(struct platform_device *pdev)
 {
+	struct spi_master *master = dev_get_drvdata(&pdev->dev);
+
 	pm_runtime_force_suspend(&pdev->dev);
+	spi_master_put(master);
 }
 
 static const struct of_device_id sun4i_spi_match[] = {
-- 
2.39.2