* [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
@ 2020-01-02 10:42 Michał Mirosław
2020-01-09 7:19 ` Ludovic Desroches
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Michał Mirosław @ 2020-01-02 10:42 UTC (permalink / raw)
To: linux-mmc
Cc: Adrian Hunter, Ludovic Desroches, Ulf Hansson, Nicolas Ferre,
Alexandre Belloni, linux-kernel
sdhci_alloc_host() does its work not using managed infrastructure, so
needs explicit free on error path. Add it where needed.
Cc: <stable@vger.kernel.org>
Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
---
drivers/mmc/host/sdhci-of-at91.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index b2a8c45c9c23..ab2bd314a390 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -345,20 +345,23 @@ static int sdhci_at91_probe(struct platform_device *pdev)
priv->mainck = NULL;
} else {
dev_err(&pdev->dev, "failed to get baseclk\n");
- return PTR_ERR(priv->mainck);
+ ret = PTR_ERR(priv->mainck);
+ goto sdhci_pltfm_free;
}
}
priv->hclock = devm_clk_get(&pdev->dev, "hclock");
if (IS_ERR(priv->hclock)) {
dev_err(&pdev->dev, "failed to get hclock\n");
- return PTR_ERR(priv->hclock);
+ ret = PTR_ERR(priv->hclock);
+ goto sdhci_pltfm_free;
}
priv->gck = devm_clk_get(&pdev->dev, "multclk");
if (IS_ERR(priv->gck)) {
dev_err(&pdev->dev, "failed to get multclk\n");
- return PTR_ERR(priv->gck);
+ ret = PTR_ERR(priv->gck);
+ goto sdhci_pltfm_free;
}
ret = sdhci_at91_set_clks_presets(&pdev->dev);
--
2.20.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
2020-01-02 10:42 [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure Michał Mirosław
@ 2020-01-09 7:19 ` Ludovic Desroches
2020-01-14 12:10 ` Adrian Hunter
2020-01-16 14:39 ` Ulf Hansson
2 siblings, 0 replies; 4+ messages in thread
From: Ludovic Desroches @ 2020-01-09 7:19 UTC (permalink / raw)
To: Michał Mirosław
Cc: linux-mmc, Adrian Hunter, Ulf Hansson, Nicolas Ferre,
Alexandre Belloni, linux-kernel
On Thu, Jan 02, 2020 at 11:42:16AM +0100, Michał Mirosław wrote:
> sdhci_alloc_host() does its work not using managed infrastructure, so
> needs explicit free on error path. Add it where needed.
>
> Cc: <stable@vger.kernel.org>
> Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Thanks
> ---
> drivers/mmc/host/sdhci-of-at91.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
> index b2a8c45c9c23..ab2bd314a390 100644
> --- a/drivers/mmc/host/sdhci-of-at91.c
> +++ b/drivers/mmc/host/sdhci-of-at91.c
> @@ -345,20 +345,23 @@ static int sdhci_at91_probe(struct platform_device *pdev)
> priv->mainck = NULL;
> } else {
> dev_err(&pdev->dev, "failed to get baseclk\n");
> - return PTR_ERR(priv->mainck);
> + ret = PTR_ERR(priv->mainck);
> + goto sdhci_pltfm_free;
> }
> }
>
> priv->hclock = devm_clk_get(&pdev->dev, "hclock");
> if (IS_ERR(priv->hclock)) {
> dev_err(&pdev->dev, "failed to get hclock\n");
> - return PTR_ERR(priv->hclock);
> + ret = PTR_ERR(priv->hclock);
> + goto sdhci_pltfm_free;
> }
>
> priv->gck = devm_clk_get(&pdev->dev, "multclk");
> if (IS_ERR(priv->gck)) {
> dev_err(&pdev->dev, "failed to get multclk\n");
> - return PTR_ERR(priv->gck);
> + ret = PTR_ERR(priv->gck);
> + goto sdhci_pltfm_free;
> }
>
> ret = sdhci_at91_set_clks_presets(&pdev->dev);
> --
> 2.20.1
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
2020-01-02 10:42 [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure Michał Mirosław
2020-01-09 7:19 ` Ludovic Desroches
@ 2020-01-14 12:10 ` Adrian Hunter
2020-01-16 14:39 ` Ulf Hansson
2 siblings, 0 replies; 4+ messages in thread
From: Adrian Hunter @ 2020-01-14 12:10 UTC (permalink / raw)
To: Michał Mirosław, linux-mmc
Cc: Ludovic Desroches, Ulf Hansson, Nicolas Ferre, Alexandre Belloni,
linux-kernel
On 2/01/20 12:42 pm, Michał Mirosław wrote:
> sdhci_alloc_host() does its work not using managed infrastructure, so
> needs explicit free on error path. Add it where needed.
>
> Cc: <stable@vger.kernel.org>
> Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> drivers/mmc/host/sdhci-of-at91.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
> index b2a8c45c9c23..ab2bd314a390 100644
> --- a/drivers/mmc/host/sdhci-of-at91.c
> +++ b/drivers/mmc/host/sdhci-of-at91.c
> @@ -345,20 +345,23 @@ static int sdhci_at91_probe(struct platform_device *pdev)
> priv->mainck = NULL;
> } else {
> dev_err(&pdev->dev, "failed to get baseclk\n");
> - return PTR_ERR(priv->mainck);
> + ret = PTR_ERR(priv->mainck);
> + goto sdhci_pltfm_free;
> }
> }
>
> priv->hclock = devm_clk_get(&pdev->dev, "hclock");
> if (IS_ERR(priv->hclock)) {
> dev_err(&pdev->dev, "failed to get hclock\n");
> - return PTR_ERR(priv->hclock);
> + ret = PTR_ERR(priv->hclock);
> + goto sdhci_pltfm_free;
> }
>
> priv->gck = devm_clk_get(&pdev->dev, "multclk");
> if (IS_ERR(priv->gck)) {
> dev_err(&pdev->dev, "failed to get multclk\n");
> - return PTR_ERR(priv->gck);
> + ret = PTR_ERR(priv->gck);
> + goto sdhci_pltfm_free;
> }
>
> ret = sdhci_at91_set_clks_presets(&pdev->dev);
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
2020-01-02 10:42 [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure Michał Mirosław
2020-01-09 7:19 ` Ludovic Desroches
2020-01-14 12:10 ` Adrian Hunter
@ 2020-01-16 14:39 ` Ulf Hansson
2 siblings, 0 replies; 4+ messages in thread
From: Ulf Hansson @ 2020-01-16 14:39 UTC (permalink / raw)
To: Michał Mirosław
Cc: linux-mmc, Adrian Hunter, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Linux Kernel Mailing List
On Thu, 2 Jan 2020 at 11:42, Michał Mirosław <mirq-linux@rere.qmqm.pl> wrote:
>
> sdhci_alloc_host() does its work not using managed infrastructure, so
> needs explicit free on error path. Add it where needed.
>
> Cc: <stable@vger.kernel.org>
> Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Applied for next, thanks!
Kind regards
Uffe
> ---
> drivers/mmc/host/sdhci-of-at91.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
> index b2a8c45c9c23..ab2bd314a390 100644
> --- a/drivers/mmc/host/sdhci-of-at91.c
> +++ b/drivers/mmc/host/sdhci-of-at91.c
> @@ -345,20 +345,23 @@ static int sdhci_at91_probe(struct platform_device *pdev)
> priv->mainck = NULL;
> } else {
> dev_err(&pdev->dev, "failed to get baseclk\n");
> - return PTR_ERR(priv->mainck);
> + ret = PTR_ERR(priv->mainck);
> + goto sdhci_pltfm_free;
> }
> }
>
> priv->hclock = devm_clk_get(&pdev->dev, "hclock");
> if (IS_ERR(priv->hclock)) {
> dev_err(&pdev->dev, "failed to get hclock\n");
> - return PTR_ERR(priv->hclock);
> + ret = PTR_ERR(priv->hclock);
> + goto sdhci_pltfm_free;
> }
>
> priv->gck = devm_clk_get(&pdev->dev, "multclk");
> if (IS_ERR(priv->gck)) {
> dev_err(&pdev->dev, "failed to get multclk\n");
> - return PTR_ERR(priv->gck);
> + ret = PTR_ERR(priv->gck);
> + goto sdhci_pltfm_free;
> }
>
> ret = sdhci_at91_set_clks_presets(&pdev->dev);
> --
> 2.20.1
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-01-16 14:40 UTC | newest]
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2020-01-02 10:42 [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure Michał Mirosław
2020-01-09 7:19 ` Ludovic Desroches
2020-01-14 12:10 ` Adrian Hunter
2020-01-16 14:39 ` Ulf Hansson
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