| Message ID | 89ad840e7a484eaf4727470824acfe0fdc60fcef.1729871146.git.christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | clk: mediatek: mt6735-apmixedsys: Fix an error handling path in clk_mt6735_apmixed_probe() | expand |
On 25/10/2024 6:46 pm, Christophe JAILLET wrote: > If an error occurs after a successful mtk_alloc_clk_data(), > mtk_free_clk_data() should be called, as already done in the .remove() > function. > > Switch to mtk_devm_alloc_clk_data() in order to fix the memory leak in the > probe function, and simplify the remove function. > > Fixes: 43c04ed79189 ("clk: mediatek: Add drivers for MediaTek MT6735 main clock and reset drivers") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > Compile tested only > --- > drivers/clk/mediatek/clk-mt6735-apmixedsys.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/clk/mediatek/clk-mt6735-apmixedsys.c b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c > index 104722a61dfd..e0949911e8f7 100644 > --- a/drivers/clk/mediatek/clk-mt6735-apmixedsys.c > +++ b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c > @@ -88,7 +88,7 @@ static int clk_mt6735_apmixed_probe(struct platform_device *pdev) > if (IS_ERR(base)) > return PTR_ERR(base); > > - clk_data = mtk_alloc_clk_data(ARRAY_SIZE(apmixedsys_plls)); > + clk_data = mtk_devm_alloc_clk_data(&pdev->dev, ARRAY_SIZE(apmixedsys_plls)); > if (!clk_data) > return -ENOMEM; > platform_set_drvdata(pdev, clk_data); > @@ -114,7 +114,6 @@ static void clk_mt6735_apmixed_remove(struct platform_device *pdev) > struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); > > mtk_clk_unregister_plls(apmixedsys_plls, ARRAY_SIZE(apmixedsys_plls), clk_data); > - mtk_free_clk_data(clk_data); > } > > static const struct of_device_id of_match_mt6735_apmixedsys[] = { > -- > 2.47.0 > Thanks for the fix! Tested-by: Yassine Oudjana <y.oudjana@protonmail.com>
Quoting Christophe JAILLET (2024-10-25 08:46:08) > If an error occurs after a successful mtk_alloc_clk_data(), > mtk_free_clk_data() should be called, as already done in the .remove() > function. > > Switch to mtk_devm_alloc_clk_data() in order to fix the memory leak in the > probe function, and simplify the remove function. > > Fixes: 43c04ed79189 ("clk: mediatek: Add drivers for MediaTek MT6735 main clock and reset drivers") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- Applied to clk-next
diff --git a/drivers/clk/mediatek/clk-mt6735-apmixedsys.c b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c index 104722a61dfd..e0949911e8f7 100644 --- a/drivers/clk/mediatek/clk-mt6735-apmixedsys.c +++ b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c @@ -88,7 +88,7 @@ static int clk_mt6735_apmixed_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - clk_data = mtk_alloc_clk_data(ARRAY_SIZE(apmixedsys_plls)); + clk_data = mtk_devm_alloc_clk_data(&pdev->dev, ARRAY_SIZE(apmixedsys_plls)); if (!clk_data) return -ENOMEM; platform_set_drvdata(pdev, clk_data); @@ -114,7 +114,6 @@ static void clk_mt6735_apmixed_remove(struct platform_device *pdev) struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); mtk_clk_unregister_plls(apmixedsys_plls, ARRAY_SIZE(apmixedsys_plls), clk_data); - mtk_free_clk_data(clk_data); } static const struct of_device_id of_match_mt6735_apmixedsys[] = {
If an error occurs after a successful mtk_alloc_clk_data(), mtk_free_clk_data() should be called, as already done in the .remove() function. Switch to mtk_devm_alloc_clk_data() in order to fix the memory leak in the probe function, and simplify the remove function. Fixes: 43c04ed79189 ("clk: mediatek: Add drivers for MediaTek MT6735 main clock and reset drivers") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- Compile tested only --- drivers/clk/mediatek/clk-mt6735-apmixedsys.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)