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@roarinelk.homelinux.net>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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 @@
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);
