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Date: Tue, 17 Nov 2020 09:13:22 +0800 From: Yu Kuai <yukuai3@...wei.com> To: <khilman@...libre.com> CC: <linux-arm-kernel@...ts.infradead.org>, <linux-amlogic@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <yukuai3@...wei.com>, <yi.zhang@...wei.com>, <zhangxiaoxu5@...wei.com> Subject: [PATCH] soc: amlogic: canvas: add missing put_device() call in meson_canvas_get() 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: commit 382f8be04551 ("soc: amlogic: canvas: Fix meson_canvas_get when probe failed") Signed-off-by: Yu Kuai <yukuai3@...wei.com> --- 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 c655f5f92b12..d0329ad170d1 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; } -- 2.25.4
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