On Mon, 19 May 2008 10:08:04 +0200
Manuel Lauss <mano@roarinelk.homelinux.net> wrote:

quoted text
> From ec41439903048bf98e301dbd03426c63156ebc0e Mon Sep 17 00:00:00 2001
> From: Manuel Lauss <mlau@msc-ge.com>
> Date: Sun, 18 May 2008 15:52:43 +0200
> Subject: [PATCH] au1xmmc: abort requests early if no card is present
>=20
> Don't process a request if no card is present.
>=20
> Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
> ---
>  drivers/mmc/host/au1xmmc.c |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
>=20
> diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
> index be09a14..0b30582 100644
> --- a/drivers/mmc/host/au1xmmc.c
> +++ b/drivers/mmc/host/au1xmmc.c
> @@ -689,6 +689,13 @@ static void au1xmmc_request(struct mmc_host *mmc, st=
ruct mmc_request *mrq)
quoted text
>  	host->mrq =3D mrq;
>  	host->status =3D HOST_S_CMD;
> =20
> +	/* fail request immediately if no card is present */
> +	if (0 =3D=3D au1xmmc_card_inserted(host)) {
> +		mrq->cmd->error =3D -ETIMEDOUT;
> +		au1xmmc_finish_request(host);
> +		return;
> +	}
> +
>  	if (mrq->data) {
>  		FLUSH_FIFO(host);
>  		ret =3D au1xmmc_prepare_data(host, mrq->data);

You should use -ENOMEDIUM for this case.

Rgds
Pierre