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soc: amlogic: canvas: add missing put_device() call in meson_canvas_get()

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[ Upstream commit 28f851e6af ]

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: 382f8be045 ("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>
This commit is contained in:
Yu Kuai
2020-11-17 09:13:22 +08:00
committed by Greg Kroah-Hartman
parent 67d91e51f9
commit f9e71ed020
1 changed files with 3 additions and 1 deletions
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4
drivers/soc/amlogic/meson-canvas.c
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@@ -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;
}