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[PATCH] au1xmmc: abort requests early if no card is present

Subject: [PATCH] au1xmmc: abort requests early if no card is present
From: Manuel Lauss <mlau@msc-ge.com>
Date: Sun, 18 May 2008 15:52:43 +0200
Don't process an MMC 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 fcbaf40..718eb87 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -697,6 +697,13 @@ 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 = -ENOMEDIUM;
+               au1xmmc_finish_request(host);
+               return;
+       }
+
        if (mrq->data) {
                FLUSH_FIFO(host);
                ret = au1xmmc_prepare_data(host, mrq->data);
-- 
1.5.5.3


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