lkml.org 
[lkml]   [2018]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 4.14 007/183] drm/i915/gvt: throw error on unhandled vfio ioctls
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Gerd Hoffmann <kraxel@redhat.com>

    commit 9f591ae60e1be026901398ef99eede91237aa3a1 upstream.

    On unknown/unhandled ioctls the driver should return an error, so
    userspace knows it tried to use something unsupported.

    Cc: stable@vger.kernel.org
    Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
    Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
    Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
    +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
    @@ -1153,7 +1153,7 @@ static long intel_vgpu_ioctl(struct mdev
    return 0;
    }

    - return 0;
    + return -ENOTTY;
    }

    static ssize_t

    \
     
     \ /
      Last update: 2018-04-25 13:30    [W:4.072 / U:1.168 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site