From: Orson Zhai <orsonzhai@gmail.com> To: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Cc: adrian.hunter@intel.com, Ulf Hansson <ulf.hansson@linaro.org>, Baolin Wang <baolin.wang7@gmail.com>, Lyra Zhang <zhang.lyra@gmail.com>, linux-mmc@vger.kernel.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org, billows.wu@unisoc.com, Wu Hongtao <wuht06@gmail.com> Subject: Re: [PATCH] mmc: sdhci-sprd: Fix some resource leaks in the remove function Date: Fri, 18 Dec 2020 06:55:12 +0800 [thread overview] Message-ID: <CA+H2tpGkv0sPQ2e6OfUVuW2xFx-KSpZy_vYY3TG_9JBWvFZxAA@mail.gmail.com> (raw) In-Reply-To: <20201217204236.163446-1-christophe.jaillet@wanadoo.fr> + cc: Billows Hi Christophe, On Fri, Dec 18, 2020 at 4:50 AM Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote: > > 'sdhci_remove_host()' and 'sdhci_pltfm_free()' should be used in place of > 'mmc_remove_host()' and 'mmc_free_host()'. > > This avoids some resource leaks, is more in line with the error handling > path of the probe function, and is more consistent with other drivers. > > Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > Other adjustment may be needed. > I'm not sure at all of the 0 passed to 'sdhci_remove_host()'. Some drivers > pass 0, some have some more complicated computation. > --- > drivers/mmc/host/sdhci-sprd.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c > index f85171edabeb..5dc36efff47f 100644 > --- a/drivers/mmc/host/sdhci-sprd.c > +++ b/drivers/mmc/host/sdhci-sprd.c > @@ -708,14 +708,14 @@ static int sdhci_sprd_remove(struct platform_device *pdev) > { > struct sdhci_host *host = platform_get_drvdata(pdev); > struct sdhci_sprd_host *sprd_host = TO_SPRD_HOST(host); > - struct mmc_host *mmc = host->mmc; > > - mmc_remove_host(mmc); > + sdhci_remove_host(host, 0); > + > clk_disable_unprepare(sprd_host->clk_sdio); > clk_disable_unprepare(sprd_host->clk_enable); > clk_disable_unprepare(sprd_host->clk_2x_enable); > > - mmc_free_host(mmc); > + sdhci_pltfm_free(pdev); I saw a lot of drivers also use mmc_free_host(). Do you have patches elsewhere to clean them? Thanks, -Orson > > return 0; > } > -- > 2.27.0 >
WARNING: multiple messages have this Message-ID (diff)
From: Orson Zhai <orsonzhai@gmail.com> To: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Cc: adrian.hunter@intel.com, Ulf Hansson <ulf.hansson@linaro.org>, Baolin Wang <baolin.wang7@gmail.com>, Lyra Zhang <zhang.lyra@gmail.com>, linux-mmc@vger.kernel.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org, billows.wu@unisoc.com, Wu Hongtao <wuht06@gmail.com> Subject: Re: [PATCH] mmc: sdhci-sprd: Fix some resource leaks in the remove function Date: Thu, 17 Dec 2020 22:55:12 +0000 [thread overview] Message-ID: <CA+H2tpGkv0sPQ2e6OfUVuW2xFx-KSpZy_vYY3TG_9JBWvFZxAA@mail.gmail.com> (raw) In-Reply-To: <20201217204236.163446-1-christophe.jaillet@wanadoo.fr> + cc: Billows Hi Christophe, On Fri, Dec 18, 2020 at 4:50 AM Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote: > > 'sdhci_remove_host()' and 'sdhci_pltfm_free()' should be used in place of > 'mmc_remove_host()' and 'mmc_free_host()'. > > This avoids some resource leaks, is more in line with the error handling > path of the probe function, and is more consistent with other drivers. > > Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > Other adjustment may be needed. > I'm not sure at all of the 0 passed to 'sdhci_remove_host()'. Some drivers > pass 0, some have some more complicated computation. > --- > drivers/mmc/host/sdhci-sprd.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c > index f85171edabeb..5dc36efff47f 100644 > --- a/drivers/mmc/host/sdhci-sprd.c > +++ b/drivers/mmc/host/sdhci-sprd.c > @@ -708,14 +708,14 @@ static int sdhci_sprd_remove(struct platform_device *pdev) > { > struct sdhci_host *host = platform_get_drvdata(pdev); > struct sdhci_sprd_host *sprd_host = TO_SPRD_HOST(host); > - struct mmc_host *mmc = host->mmc; > > - mmc_remove_host(mmc); > + sdhci_remove_host(host, 0); > + > clk_disable_unprepare(sprd_host->clk_sdio); > clk_disable_unprepare(sprd_host->clk_enable); > clk_disable_unprepare(sprd_host->clk_2x_enable); > > - mmc_free_host(mmc); > + sdhci_pltfm_free(pdev); I saw a lot of drivers also use mmc_free_host(). Do you have patches elsewhere to clean them? Thanks, -Orson > > return 0; > } > -- > 2.27.0 >
next prev parent reply other threads:[~2020-12-17 22:56 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-17 20:42 [PATCH] mmc: sdhci-sprd: Fix some resource leaks in the remove function Christophe JAILLET 2020-12-17 20:42 ` Christophe JAILLET 2020-12-17 22:55 ` Orson Zhai [this message] 2020-12-17 22:55 ` Orson Zhai 2020-12-18 13:46 ` Christophe JAILLET 2020-12-18 13:46 ` Christophe JAILLET 2020-12-20 2:05 ` Orson Zhai 2020-12-20 2:05 ` Orson Zhai 2021-01-05 12:39 ` Adrian Hunter 2021-01-05 12:39 ` Adrian Hunter 2021-01-11 18:05 ` Ulf Hansson 2021-01-11 18:05 ` Ulf Hansson
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