* [PATCH] media: vimc: Remove redundant free
@ 2018-07-27 11:47 Anton Vasilyev
2018-07-28 17:49 ` Helen Koike
0 siblings, 1 reply; 2+ messages in thread
From: Anton Vasilyev @ 2018-07-27 11:47 UTC (permalink / raw)
To: Helen Koike
Cc: Anton Vasilyev, Mauro Carvalho Chehab, linux-media, linux-kernel,
ldv-project
Commit 4a29b7090749 ("[media] vimc: Subdevices as modules") removes
vimc allocation from vimc_probe(), so corresponding deallocation
on the error path tries to free static memory.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
---
drivers/media/platform/vimc/vimc-core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
index fe088a953860..9246f265de31 100644
--- a/drivers/media/platform/vimc/vimc-core.c
+++ b/drivers/media/platform/vimc/vimc-core.c
@@ -328,7 +328,6 @@ static int vimc_probe(struct platform_device *pdev)
if (ret) {
media_device_cleanup(&vimc->mdev);
vimc_rm_subdevs(vimc);
- kfree(vimc);
return ret;
}
--
2.18.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] media: vimc: Remove redundant free
2018-07-27 11:47 [PATCH] media: vimc: Remove redundant free Anton Vasilyev
@ 2018-07-28 17:49 ` Helen Koike
0 siblings, 0 replies; 2+ messages in thread
From: Helen Koike @ 2018-07-28 17:49 UTC (permalink / raw)
To: Anton Vasilyev
Cc: Mauro Carvalho Chehab, linux-media, linux-kernel, ldv-project
Hi Anton,
Thanks for the patch
On 07/27/2018 08:47 AM, Anton Vasilyev wrote:
> Commit 4a29b7090749 ("[media] vimc: Subdevices as modules") removes
> vimc allocation from vimc_probe(), so corresponding deallocation
> on the error path tries to free static memory.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Acked-by: Helen Koike <helen.koike@collabora.com>
> ---
> drivers/media/platform/vimc/vimc-core.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
> index fe088a953860..9246f265de31 100644
> --- a/drivers/media/platform/vimc/vimc-core.c
> +++ b/drivers/media/platform/vimc/vimc-core.c
> @@ -328,7 +328,6 @@ static int vimc_probe(struct platform_device *pdev)
> if (ret) {
> media_device_cleanup(&vimc->mdev);
> vimc_rm_subdevs(vimc);
> - kfree(vimc);
> return ret;
> }
>
>
Regards,
Helen
^ permalink raw reply [flat|nested] 2+ messages in thread
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2018-07-28 17:49 ` Helen Koike
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