2024-01-07 08:29:55

by Christophe JAILLET

[permalink] [raw]
Subject: [PATCH] clk: mediatek: mt7622-apmixedsys: Fix an error handling path in clk_mt8135_apmixed_probe()

'clk_data' is allocated with mtk_devm_alloc_clk_data(). So calling
mtk_free_clk_data() explicitly in the remove function would lead to a
double-free.

Remove the redundant call.

Fixes: c50e2ea6507b ("clk: mediatek: mt7622-apmixedsys: Add .remove() callback for module build")
Signed-off-by: Christophe JAILLET <[email protected]>
---
drivers/clk/mediatek/clk-mt7622-apmixedsys.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/clk/mediatek/clk-mt7622-apmixedsys.c b/drivers/clk/mediatek/clk-mt7622-apmixedsys.c
index 9cffd278e9a4..1b8f859b6b6c 100644
--- a/drivers/clk/mediatek/clk-mt7622-apmixedsys.c
+++ b/drivers/clk/mediatek/clk-mt7622-apmixedsys.c
@@ -127,7 +127,6 @@ static void clk_mt7622_apmixed_remove(struct platform_device *pdev)
of_clk_del_provider(node);
mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
- mtk_free_clk_data(clk_data);
}

static const struct of_device_id of_match_clk_mt7622_apmixed[] = {
--
2.34.1



Subject: Re: [PATCH] clk: mediatek: mt7622-apmixedsys: Fix an error handling path in clk_mt8135_apmixed_probe()

Il 07/01/24 09:29, Christophe JAILLET ha scritto:
> 'clk_data' is allocated with mtk_devm_alloc_clk_data(). So calling
> mtk_free_clk_data() explicitly in the remove function would lead to a
> double-free.
>
> Remove the redundant call.
>
> Fixes: c50e2ea6507b ("clk: mediatek: mt7622-apmixedsys: Add .remove() callback for module build")
> Signed-off-by: Christophe JAILLET <[email protected]>

Reviewed-by: AngeloGioacchino Del Regno <[email protected]>



2024-02-22 04:52:14

by Stephen Boyd

[permalink] [raw]
Subject: Re: [PATCH] clk: mediatek: mt7622-apmixedsys: Fix an error handling path in clk_mt8135_apmixed_probe()

Quoting Christophe JAILLET (2024-01-07 00:29:28)
> 'clk_data' is allocated with mtk_devm_alloc_clk_data(). So calling
> mtk_free_clk_data() explicitly in the remove function would lead to a
> double-free.
>
> Remove the redundant call.
>
> Fixes: c50e2ea6507b ("clk: mediatek: mt7622-apmixedsys: Add .remove() callback for module build")
> Signed-off-by: Christophe JAILLET <[email protected]>
> ---

Applied to clk-next