On Mon, 19 May 2008 10:08:04 +0200
Manuel Lauss <mano@roarinelk.homelinux.net> wrote:
> 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
>
> Don't process a request if no card is present.
>
> Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
> ---
> drivers/mmc/host/au1xmmc.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> 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, struct
> mmc_request *mrq)
> host->mrq = mrq;
> host->status = HOST_S_CMD;
>
> + /* fail request immediately if no card is present */
> + if (0 == au1xmmc_card_inserted(host)) {
> + mrq->cmd->error = -ETIMEDOUT;
> + au1xmmc_finish_request(host);
> + return;
> + }
> +
> if (mrq->data) {
> FLUSH_FIFO(host);
> ret = au1xmmc_prepare_data(host, mrq->data);
You should use -ENOMEDIUM for this case.
Rgds
Pierre
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