From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Mon, 24 Aug 2020 20:51:12 +0000 (-0400)
Subject: panfrost: Ensure shader-db state is zero-initialized
X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=commitdiff_plain;h=da677a438f2a9e6c2412e9962b53068716001d9e

panfrost: Ensure shader-db state is zero-initialized

Otherwise the next commit will invoke undefined behaviour.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6440>
---

diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index 2fbb19c7d25..55f4ea667a1 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -460,7 +460,7 @@ panfrost_create_shader_state(
         if (unlikely((dev->debug & PAN_DBG_PRECOMPILE) && cso->type == PIPE_SHADER_IR_NIR)) {
                 struct panfrost_context *ctx = pan_context(pctx);
 
-                struct panfrost_shader_state state;
+                struct panfrost_shader_state state = { 0 };
                 uint64_t outputs_written;
 
                 panfrost_shader_compile(ctx, PIPE_SHADER_IR_NIR,