From: David Francis Date: Fri, 21 Sep 2018 18:36:17 +0000 (-0400) Subject: drm/amd/display: initialize dc_transfer_func->ctx X-Git-Tag: microblaze-v5.1-rc1~14^2~22^2~151 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=ce8a805ae1768be16c62a541ce1b2d23e7b99124;p=linux-2.6-microblaze.git drm/amd/display: initialize dc_transfer_func->ctx [Why] dc_transfer_func structs were being passed around with a null pointer, waiting for unsuspecting programmers to dereference it. [How] Initialize it Signed-off-by: David Francis Reviewed-by: Charlene Liu Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 2ac848a106ba..e113439aaa86 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -106,6 +106,7 @@ static void construct(struct dc_stream_state *stream, stream->out_transfer_func = dc_create_transfer_func(); stream->out_transfer_func->type = TF_TYPE_BYPASS; + stream->out_transfer_func->ctx = stream->ctx; } static void destruct(struct dc_stream_state *stream) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c index 8fb3aefd195c..c60c9b4c3075 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c @@ -44,6 +44,7 @@ static void construct(struct dc_context *ctx, struct dc_plane_state *plane_state plane_state->in_transfer_func = dc_create_transfer_func(); plane_state->in_transfer_func->type = TF_TYPE_BYPASS; + plane_state->in_transfer_func->ctx = ctx; } static void destruct(struct dc_plane_state *plane_state)