[Mesa-dev] [PATCH 05/17] gallium/radeon: add a fail path for depth MSAA texture readback

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

Cc: 11.0 <mesa-stable at lists.freedesktop.org>
---
 src/gallium/drivers/radeon/r600_texture.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index a025916..fc69f48 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -989,6 +989,11 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
 
 			if (usage & PIPE_TRANSFER_READ) {
 				struct pipe_resource *temp = ctx->screen->resource_create(ctx->screen, &resource);
+				if (!temp) {
+					R600_ERR("failed to create a temporary depth texture\n");
+					FREE(trans);
+					return NULL;
+				}
 
 				r600_copy_region_with_blit(ctx, temp, 0, 0, 0, 0, texture, level, box);
 				rctx->blit_decompress_depth(ctx, (struct r600_texture*)temp, staging_depth,
-- 
2.1.4