Mesa (master): freedreno/ir3: fix crash in fail path

[Rob Clark]

Module: Mesa
Branch: master
Commit: 0a8c8fa770db4cc4ef3db89a5dae1d136361495d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0a8c8fa770db4cc4ef3db89a5dae1d136361495d

Author: Rob Clark <robclark at freedesktop.org>
Date:   Fri Jun 26 13:38:03 2015 -0400

freedreno/ir3: fix crash in fail path

Signed-off-by: Rob Clark <robclark at freedesktop.org>

---

 src/gallium/drivers/freedreno/a3xx/fd3_draw.c  |    3 +++
 src/gallium/drivers/freedreno/a4xx/fd4_draw.c  |    3 +++
 src/gallium/drivers/freedreno/ir3/ir3_shader.c |    9 ++++++---
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_draw.c b/src/gallium/drivers/freedreno/a3xx/fd3_draw.c
index b5838b5..29f4bae 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_draw.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_draw.c
@@ -60,6 +60,9 @@ draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
 	const struct pipe_draw_info *info = emit->info;
 	enum pc_di_primtype primtype = ctx->primtypes[info->mode];
 
+	if (!(fd3_emit_get_vp(emit) && fd3_emit_get_fp(emit)))
+		return;
+
 	fd3_emit_state(ctx, ring, emit);
 
 	if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_draw.c b/src/gallium/drivers/freedreno/a4xx/fd4_draw.c
index de5a306..d070f5f 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_draw.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_draw.c
@@ -48,6 +48,9 @@ draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
 {
 	const struct pipe_draw_info *info = emit->info;
 
+	if (!(fd4_emit_get_vp(emit) && fd4_emit_get_fp(emit)))
+		return;
+
 	fd4_emit_state(ctx, ring, emit);
 
 	if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_shader.c b/src/gallium/drivers/freedreno/ir3/ir3_shader.c
index b5b0381..c22b7f8d 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_shader.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_shader.c
@@ -46,7 +46,8 @@ delete_variant(struct ir3_shader_variant *v)
 {
 	if (v->ir)
 		ir3_destroy(v->ir);
-	fd_bo_del(v->bo);
+	if (v->bo)
+		fd_bo_del(v->bo);
 	free(v);
 }
 
@@ -228,8 +229,10 @@ ir3_shader_variant(struct ir3_shader *shader, struct ir3_shader_key key)
 
 	/* compile new variant if it doesn't exist already: */
 	v = create_variant(shader, key);
-	v->next = shader->variants;
-	shader->variants = v;
+	if (v) {
+		v->next = shader->variants;
+		shader->variants = v;
+	}
 
 	return v;
 }