From 35185ad9df8efa84981607cec3dd495c875a534b Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Wed, 21 Feb 2024 11:10:10 -0500
Subject: [PATCH] zink: assert that batch_id is valid in
 zink_screen_check_last_finished()

0 is never a valid batch_id

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27729>
---
 src/gallium/drivers/zink/zink_screen.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/zink/zink_screen.h b/src/gallium/drivers/zink/zink_screen.h
index 886700b65ad..c907bc6e85d 100644
--- a/src/gallium/drivers/zink/zink_screen.h
+++ b/src/gallium/drivers/zink/zink_screen.h
@@ -61,6 +61,7 @@ static inline bool
 zink_screen_check_last_finished(struct zink_screen *screen, uint32_t batch_id)
 {
    const uint32_t check_id = (uint32_t)batch_id;
+   assert(check_id);
    /* last_finished may have wrapped */
    if (screen->last_finished < UINT_MAX / 2) {
       /* last_finished has wrapped, batch_id has not */