On 7 August 2012 23:46, Jesper Juhl <jj@xxxxxxxxxxxxx> wrote:
> If omap4_keypad_parse_dt() does not return 0 (zero) in
> omap4_keypad_probe() we will leak the memory we allocated for
> 'keypad_data' with kzalloc() when we return and the variable goes out
> of scope.
How about using devm_kzalloc() instead which will take care of freeing
the memory on detach?
> Fix the leak by jumping to the 'err_free_keypad' label where we
> properly free the allocated memory, instead of returning directly.
>
> Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
> ---
> drivers/input/keyboard/omap4-keypad.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Compile tested only.
>
> diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
> index c05f98c..9c2ac87 100644
> --- a/drivers/input/keyboard/omap4-keypad.c
> +++ b/drivers/input/keyboard/omap4-keypad.c
> @@ -281,7 +281,7 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev)
> } else {
> error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
> if (error)
> - return error;
> + goto err_free_keypad;
> }
>
> res = request_mem_region(res->start, resource_size(res), pdev->name);
> --
> 1.7.11.4
>
>
> --
> Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
> Don't top-post http://www.catb.org/jargon/html/T/top-post.html
> Plain text mails only, please.
>
> --
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--
Regards,
Sachin
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