>From a478fbe20735b832696ba4cc0d3d21eb7371e689 Mon Sep 17 00:00:00 2001
From: Manuel Lauss <mlau@xxxxxxxxxx>
Date: Sun, 18 May 2008 15:52:43 +0200
Subject: [PATCH] au1xmmc: abort requests early if no card is present
Don't process an MMC request if no card is present.
Signed-off-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx>
---
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
