From: Yu Kuai yukuai3@huawei.com
[ Upstream commit 28f851e6afa858f182802e23ac60c3ed7d1c04a1 ]
if of_find_device_by_node() succeed, meson_canvas_get() doesn't have a corresponding put_device(). Thus add put_device() to fix the exception handling for this function implementation.
Fixes: 382f8be04551 ("soc: amlogic: canvas: Fix meson_canvas_get when probe failed") Signed-off-by: Yu Kuai yukuai3@huawei.com Reviewed-by: Neil Armstrong narmstrong@baylibre.com Signed-off-by: Kevin Hilman khilman@baylibre.com Link: https://lore.kernel.org/r/20201117011322.522477-1-yukuai3@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/soc/amlogic/meson-canvas.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/amlogic/meson-canvas.c b/drivers/soc/amlogic/meson-canvas.c index c655f5f92b124..d0329ad170d13 100644 --- a/drivers/soc/amlogic/meson-canvas.c +++ b/drivers/soc/amlogic/meson-canvas.c @@ -72,8 +72,10 @@ struct meson_canvas *meson_canvas_get(struct device *dev) * current state, this driver probe cannot return -EPROBE_DEFER */ canvas = dev_get_drvdata(&canvas_pdev->dev); - if (!canvas) + if (!canvas) { + put_device(&canvas_pdev->dev); return ERR_PTR(-EINVAL); + }
return canvas; }