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    SubjectRe: [PATCH 8/9] au1xmmc: abort requests early if no card is present
    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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