Re: [PATCH] driver core:firmware_class:fix memory leak of page pointers array

From: Ming Lei
Date: Wed Jul 08 2009 - 20:20:58 EST


2009/7/9 <tom.leiming@xxxxxxxxx>:
> From: Ming Lei <tom.leiming@xxxxxxxxx>
>
> The page pointers array is allocated in fw_realloc_buffer() called by
> firmware_data_write(), and should be freed in release function of firmware
> device.
>
> Signed-off-by:Ming Lei <tom.leiming@xxxxxxxxx>
> Reported-by:Catalin Marinas <catalin.marinas@xxxxxxx>
> Acked-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>

---
This patch is against Catalin Marinas's patch:
[PATCH] Free struct device in fw_dev_release()

> ---
>  drivers/base/firmware_class.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
> index fc46653..2643366 100644
> --- a/drivers/base/firmware_class.c
> +++ b/drivers/base/firmware_class.c
> @@ -180,7 +180,6 @@ static ssize_t firmware_loading_store(struct device *dev,
>                                goto err;
>                        }
>                        /* Pages will be freed by vfree() */
> -                       fw_priv->pages = NULL;
>                        fw_priv->page_array_size = 0;
>                        fw_priv->nr_pages = 0;
>                        complete(&fw_priv->completion);
> --
> 1.6.0.GIT
>
>



--
Lei Ming
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/