From: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/radeon_cs.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index de3cac0..e30a36f 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -203,10 +203,9 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) } if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) { p->chunk_flags_idx = i; - } - if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS && - !p->chunks[i].length_dw) { - return -EINVAL; + /* zero length flags aren't useful */ + if (p->chunks[i].length_dw == 0) + return -EINVAL; }
p->chunks[i].length_dw = user_chunk.length_dw;