On Fri, Dec 1, 2023 at 11:05 AM Jorge Ramirez-Ortiz <jorge@xxxxxxxxxxxx> wrote:
> When RPMB was converted to a character device, it added support for
> multiple RPMB partitions (Commit 97548575bef3 ("mmc: block: Convert RPMB
> to a character device").
>
> One of the changes in this commit was transforming the variable
> target_part defined in __mmc_blk_ioctl_cmd into a bitmask.
>
> This inadvertedly regressed the validation check done in
> mmc_blk_part_switch_pre() and mmc_blk_part_switch_post().
>
> This commit fixes that regression.
>
> Fixes: 97548575bef3 ("mmc: block: Convert RPMB to a character device")
> Signed-off-by: Jorge Ramirez-Ortiz <jorge@xxxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v6.0+
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Yours,
Linus Walleij
