From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: Dan Carpenter <dan.carpenter@oracle.com>, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Date: Tue, 8 Mar 2022 22:25:41 +0100 [thread overview] Message-ID: <4039fd4b-87db-2d6e-2c8d-b6ff0129ed0d@wanadoo.fr> (raw) In-Reply-To: <20220308125445.GE3293@kadam> Le 08/03/2022 à 13:54, Dan Carpenter a écrit : > On Sun, Mar 06, 2022 at 06:44:56PM +0100, Christophe JAILLET wrote: >> A dma_free_coherent() call is missing in the error handling path of the >> probe, as already done in the remove function. >> >> Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650") >> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> >> --- >> I've not been able to find a Fixes tag because of the renaming of >> function and files. >> However, it looks old (before 2008) > > You did add a fixes tag and it's from 2012. :P Well, a bit too much of copy&paste from [1] :( [1]: https://lore.kernel.org/all/242ebc5e7dedc6b0d7f47cbf7768326c127f955b.1646584729.git.christophe.jaillet@wanadoo.fr/ > >> --- >> drivers/mmc/host/wmt-sdmmc.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c >> index 163ac9df8cca..8e18f01c0938 100644 >> --- a/drivers/mmc/host/wmt-sdmmc.c >> +++ b/drivers/mmc/host/wmt-sdmmc.c >> @@ -863,6 +863,8 @@ static int wmt_mci_probe(struct platform_device *pdev) >> return 0; >> fail6: >> clk_put(priv->clk_sdmmc); >> + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, >> + priv->dma_desc_buffer, priv->dma_desc_device_addr); >> fail5: >> free_irq(dma_irq, priv); > > This isn't quite right. If of_clk_get() fails it should call > dma_free_coherent() but it does not. You need to add: Agreed, thx for the review. If no one fix it in the meanwhile, I'll send a v2 this WE or next week. CJ > > fail6: > clk_put(priv->clk_sdmmc); > +fail5_and_a_half: > + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, > + priv->dma_desc_buffer, priv->dma_desc_device_addr); > fail5: > free_irq(dma_irq, priv); > > regards, > dan carpenter > >
WARNING: multiple messages have this Message-ID (diff)
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: Dan Carpenter <dan.carpenter@oracle.com>, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Date: Tue, 8 Mar 2022 22:25:41 +0100 [thread overview] Message-ID: <4039fd4b-87db-2d6e-2c8d-b6ff0129ed0d@wanadoo.fr> (raw) In-Reply-To: <20220308125445.GE3293@kadam> Le 08/03/2022 à 13:54, Dan Carpenter a écrit : > On Sun, Mar 06, 2022 at 06:44:56PM +0100, Christophe JAILLET wrote: >> A dma_free_coherent() call is missing in the error handling path of the >> probe, as already done in the remove function. >> >> Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650") >> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> >> --- >> I've not been able to find a Fixes tag because of the renaming of >> function and files. >> However, it looks old (before 2008) > > You did add a fixes tag and it's from 2012. :P Well, a bit too much of copy&paste from [1] :( [1]: https://lore.kernel.org/all/242ebc5e7dedc6b0d7f47cbf7768326c127f955b.1646584729.git.christophe.jaillet@wanadoo.fr/ > >> --- >> drivers/mmc/host/wmt-sdmmc.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c >> index 163ac9df8cca..8e18f01c0938 100644 >> --- a/drivers/mmc/host/wmt-sdmmc.c >> +++ b/drivers/mmc/host/wmt-sdmmc.c >> @@ -863,6 +863,8 @@ static int wmt_mci_probe(struct platform_device *pdev) >> return 0; >> fail6: >> clk_put(priv->clk_sdmmc); >> + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, >> + priv->dma_desc_buffer, priv->dma_desc_device_addr); >> fail5: >> free_irq(dma_irq, priv); > > This isn't quite right. If of_clk_get() fails it should call > dma_free_coherent() but it does not. You need to add: Agreed, thx for the review. If no one fix it in the meanwhile, I'll send a v2 this WE or next week. CJ > > fail6: > clk_put(priv->clk_sdmmc); > +fail5_and_a_half: > + dma_free_coherent(&pdev->dev, mmc->max_blk_count * 16, > + priv->dma_desc_buffer, priv->dma_desc_device_addr); > fail5: > free_irq(dma_irq, priv); > > regards, > dan carpenter > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-03-08 21:25 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-06 17:44 [PATCH] mmc: wmt-sdmmc: Fix an error handling path in wmt_mci_probe() Christophe JAILLET 2022-03-06 17:44 ` Christophe JAILLET 2022-03-07 12:17 ` Ulf Hansson 2022-03-07 12:17 ` Ulf Hansson 2022-03-08 12:54 ` Dan Carpenter 2022-03-08 12:54 ` Dan Carpenter 2022-03-08 13:36 ` Ulf Hansson 2022-03-08 13:36 ` Ulf Hansson 2022-03-08 21:25 ` Christophe JAILLET [this message] 2022-03-08 21:25 ` Christophe JAILLET
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