On 29/05/2020 01:35, Al Viro wrote:
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Just take copy_from_user() out of do_rangeing_ioctl() into the caller and have compat_rangeinfo() build a native version and pass it to do_rangeinfo_ioctl() directly. Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/comedi_fops.c | 43 ++++++++++++++------------------ drivers/staging/comedi/comedi_internal.h | 2 +- drivers/staging/comedi/range.c | 17 ++++++------- 3 files changed, 27 insertions(+), 35 deletions(-)
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