On Fri, Aug 28, 2015 at 07:12:36PM -0700, Brian Norris wrote: > The same bug applies to block/ioctl.c Actually I'll correct myself: it looks like block/ already has OK compat_ioctl support for this. Block devices do a copy to/from user space to marshal a new struct. Personally, I find my approach a little clearer. > But then: which tree should it go in? I guess since this is only an MTD bug, then it'd be fair to take via MTD. I'll plan to do that eventually if there are no objections. > Tested only on MTD, with an ARM32 user space on an ARM64 kernel. > > Signed-off-by: Brian Norris <computersforpeace@xxxxxxxxx> > --- > drivers/mtd/mtdchar.c | 42 +++++++++++++++++++++++++++++++++--------- > include/uapi/linux/blkpg.h | 10 ++++++++++ > 2 files changed, 43 insertions(+), 9 deletions(-) I also suspect it might make more sense to move the compat definitions to a new non-UAPI include/linux/blkpg.h. I'll probably put that in v2. Brian -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html