Hi Mauro, This set addresses the atomisp IOCTL handling security issues using the same approach chosen for V4L2. I've rebased them on the current driver in staging. Sakari Ailus (4): staging: atomisp: There's no struct atomisp_dvs2_coefficients staging: atomisp: Fix atomisp_overlay32 compat handling staging: atomisp: Fix compat IOCTL handling staging: atomisp: Check return value from compat_alloc_user_space .../media/atomisp/include/linux/atomisp.h | 2 +- .../staging/media/atomisp/pci/atomisp_cmd.c | 2 +- .../media/atomisp/pci/atomisp_compat_css20.c | 4 +- .../atomisp/pci/atomisp_compat_ioctl32.c | 934 +++++++++--------- 4 files changed, 477 insertions(+), 465 deletions(-) -- 2.20.1