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Re: [PATCH] drm/amd/powerplay: fix memory leak of tdp_table

From Alex Deucher <alexdeucher@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH] drm/amd/powerplay: fix memory leak of tdp_table
Date 2016-03-18 20:20 +0100
Message-ID <re86e-5Tk-11@gated-at.bofh.it> (permalink)
References <re5L4-23u-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Mar 18, 2016 at 12:47 PM, Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> tdp_table is being leaked on failed allocations of
> hwmgr->dyn_state.cac_dtp_table. kfree tdp_table on the error
> return path to fix the leak.
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Applied,  thanks!

Alex


> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> index 34f4bef..b156481 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_processpptables.c
> @@ -512,8 +512,10 @@ static int get_cac_tdp_table(
>
>         hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
>
> -       if (NULL == hwmgr->dyn_state.cac_dtp_table)
> +       if (NULL == hwmgr->dyn_state.cac_dtp_table) {
> +               kfree(tdp_table);
>                 return -ENOMEM;
> +       }
>
>         memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
>
> --
> 2.7.3
>
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> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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[PATCH] drm/amd/powerplay: fix memory leak of tdp_table Colin King <colin.king@canonical.com> - 2016-03-18 17:50 +0100
  Re: [PATCH] drm/amd/powerplay: fix memory leak of tdp_table Alex Deucher <alexdeucher@gmail.com> - 2016-03-18 20:20 +0100

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