| Message ID | 20240626130650.2866706-1-make24@iscas.ac.cn (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/amd/display: Add null check before access structs | expand |
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c index 282d70e2b18a..3d29169dd6bb 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c @@ -750,6 +750,8 @@ static void enable_phantom_plane(struct dml2_context *ctx, ctx->config.svp_pstate.callbacks.dc, state, curr_pipe->plane_state); + if (!phantom_plane) + return; } memcpy(&phantom_plane->address, &curr_pipe->plane_state->address, sizeof(phantom_plane->address));
In enable_phantom_plane, we should better check null pointer before accessing various structs. Fixes: 09a4ec5da92c ("drm/amd/display: Refactor dc_state interface") Signed-off-by: Ma Ke <make24@iscas.ac.cn> --- drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c | 2 ++ 1 file changed, 2 insertions(+)