Re: [PATCH] drivers: i2c: muxes: fix sizeof(ptr)

From: Jean Delvare
Date: Tue Jan 08 2013 - 14:32:14 EST


On Tue, 8 Jan 2013 14:40:09 +0100, Laurent Navet wrote:
> sizeof when applied to a pointer typed expression gives the size of
> the pointer
>
> The semantic patch that makes this output is available
> in scripts/coccinelle/misc/noderef.cocci.
>
> More information about semantic patching is available at
> http://coccinelle.lip6.fr/
>
> Signed-off-by: Laurent Navet <laurent.navet@xxxxxxxxx>
> ---
> drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
> index 7fa5b24..f958d0f 100644
> --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
> +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
> @@ -167,7 +167,7 @@ static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev)
> }
>
> mux->busses = devm_kzalloc(&pdev->dev,
> - sizeof(mux->busses) * mux->pdata->bus_count,
> + sizeof(*mux->busses) * mux->pdata->bus_count,
> GFP_KERNEL);
> if (!mux->busses) {
> dev_err(&pdev->dev, "Cannot allocate busses\n");

Good catch.

Acked-by: Jean Delvare <khali@xxxxxxxxxxxx>

--
Jean Delvare
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