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Date: Mon, 21 Feb 2022 09:50:12 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Paul Cercueil <paul@...pouillou.net>, Miquel Raynal <miquel.raynal@...tlin.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.16 193/227] mtd: rawnand: ingenic: Fix missing put_device in ingenic_ecc_get From: Miaoqian Lin <linmq006@...il.com> [ Upstream commit ba1b71b008e97fd747845ff3a818420b11bbe830 ] If of_find_device_by_node() succeeds, ingenic_ecc_get() doesn't have a corresponding put_device(). Thus add put_device() to fix the exception handling. Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code") Signed-off-by: Miaoqian Lin <linmq006@...il.com> Reviewed-by: Paul Cercueil <paul@...pouillou.net> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com> Link: https://lore.kernel.org/linux-mtd/20211230072751.21622-1-linmq006@gmail.com Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/mtd/nand/raw/ingenic/ingenic_ecc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c index efe0ffe4f1abc..9054559e52dda 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c @@ -68,9 +68,14 @@ static struct ingenic_ecc *ingenic_ecc_get(struct device_node *np) struct ingenic_ecc *ecc; pdev = of_find_device_by_node(np); - if (!pdev || !platform_get_drvdata(pdev)) + if (!pdev) return ERR_PTR(-EPROBE_DEFER); + if (!platform_get_drvdata(pdev)) { + put_device(&pdev->dev); + return ERR_PTR(-EPROBE_DEFER); + } + ecc = platform_get_drvdata(pdev); clk_prepare_enable(ecc->clk); -- 2.34.1
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