From: Shashidhar Hiremath <shashidharh@xxxxxxxxxxxxxxx>
The Patch adds a check to disable the IOCTL from running when the card is mounted
or device is opened elsewhere.
Signed-off-by: Shashidhar Hiremath <shashidharh@xxxxxxxxxxxxxxx>
---
drivers/mmc/card/block.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index e680929..e513d20 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -387,8 +387,10 @@ static int mmc_blk_ioctl_cmd(struct block_device *bdev,
err = -EINVAL;
goto cmd_done;
}
- /* Disallow the IOCTL run if card is already mounted or device is
- * opened elsewhere */
+ /*
+ * Disallow the IOCTL run if card is already mounted or device is
+ * opened elsewhere
+ */
if (md->usage > 3) {
err = -EINVAL;
goto cmd_done;
--
1.7.6.4
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