This is a big structure so use vmalloc as malloc can fail when there is memory pressure. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3454 Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 5d4f831b1e55..080c1d5f7412 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1491,9 +1491,10 @@ int pre_validate_dsc(struct drm_atomic_state *state, * from dm_state->context. */ - local_dc_state = kmemdup(dm_state->context, sizeof(struct dc_state), GFP_KERNEL); + local_dc_state = vmalloc(sizeof(struct dc_state)); if (!local_dc_state) return -ENOMEM; + memcpy(local_dc_state, dm_state->context, sizeof(struct dc_state)); for (i = 0; i < local_dc_state->stream_count; i++) { struct dc_stream_state *stream = dm_state->context->streams[i]; @@ -1563,7 +1564,7 @@ int pre_validate_dsc(struct drm_atomic_state *state, dc_stream_release(local_dc_state->streams[i]); } - kfree(local_dc_state); + vfree(local_dc_state); return ret; } -- 2.45.2
