drm/amdgpu/psp: prevent page fault by checking write_frame address(v4)

 - Prevent a possible buffer overflow when updating the ring buffer by
    bounds checking the command frame against the available space in the
    ring buffer.

 v2: update the ring_buffer_end address
 v3: update the commit log
 v4: squash in print fix (Michel)

Signed-off-by: Evan Quan <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions