From c5fe99eec2d728ddd07115f43f274c07fa2d69b5 Mon Sep 17 00:00:00 2001 From: Julien Isorce Date: Thu, 23 Mar 2017 13:34:07 +0000 Subject: [PATCH] r600g: check NULL return from u_upload_alloc MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Like done in si_state_draw.c::si_draw_vbo u_upload_alloc can fail, i.e. set output param *ptr to NULL, for 2 reasons: alloc fails or map fails. For both there is already a fprintf/stderr in radeon_create_bo and radeon_bo_do_map. In src/gallium/drivers/ it is a common usage to just avoid to crash by doing a silent check. But defer fprintf where the error comes from, libdrm calls. Signed-off-by: Julien Isorce Reviewed-by: Marek Olšák --- src/gallium/drivers/r600/r600_state_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c index 6f8279fb5e6..cedeb74e2d7 100644 --- a/src/gallium/drivers/r600/r600_state_common.c +++ b/src/gallium/drivers/r600/r600_state_common.c @@ -1746,6 +1746,10 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info u_upload_alloc(ctx->stream_uploader, start, count * 2, 256, &out_offset, &out_buffer, &ptr); + if (unlikely(!ptr)) { + pipe_resource_reference(&ib.buffer, NULL); + return; + } util_shorten_ubyte_elts_to_userptr( &rctx->b.b, &ib, 0, 0, ib.offset + start, count, ptr); -- 2.30.2