From: Mikko Rapeli <mikko.rapeli@xxxxxxxxxx>
Commit "mmc: core: Use mrq.sbc in close-ended ffu" adds flags uint to
struct mmc_blk_ioc_data but it does not get initialized for RPMB ioctls
which now fail.
Fix this by always initializing the struct and flags to zero.
Fixes access to RPMB storage.
Fixes: 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218587
Link: https://lore.kernel.org/all/20231129092535.3278-1-avri.altman@xxxxxxx/
Cc: Avri Altman <avri.altman@xxxxxxx>
Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: linux-mmc@xxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mikko Rapeli <mikko.rapeli@xxxxxxxxxx>
---
drivers/mmc/core/block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 32d49100dff5..0df627de9cee 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -413,7 +413,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
struct mmc_blk_ioc_data *idata;
int err;
- idata = kmalloc(sizeof(*idata), GFP_KERNEL);
+ idata = kzalloc(sizeof(*idata), GFP_KERNEL);
if (!idata) {
err = -ENOMEM;
goto out;
--
2.34.1
