Change the MMC block layer to avoid reading the partition table
when the card is locked because read commands will fail.
Signed-off-by: Al Cooper <alcoop...@gmail.com>
---
drivers/mmc/card/block.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index cd0b7f4..8eb254f 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2047,6 +2047,13 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct
mmc_card *card,
md->disk->flags |= GENHD_FL_NO_PART_SCAN;
/*
+ * If the card is locked, reads will fail so prevent partition
+ * table scan
+ */
+ if (mmc_card_locked(card))
+ md->disk->flags |= GENHD_FL_NO_PART_SCAN;
+
+ /*
* As discussed on lkml, GENHD_FL_REMOVABLE should:
*
* - be set for removable media with permanent block devices
--
1.8.1.3
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