From a8ff1bdc8331303f5830a09a5ab2dd3d4016fd8c Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Wed, 17 Jul 2024 12:36:45 -0400
Subject: [PATCH] llvmpipe: handle vma allocation failure

Fixes: a062544d3d0 ("llvmpipe: Use an anonymous file for memory allocations")

Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30229>
---
 src/gallium/drivers/llvmpipe/lp_texture.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 30d5057cf9f..9bd6ce5a4a0 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -1305,6 +1305,11 @@ llvmpipe_allocate_memory(struct pipe_screen *_screen, uint64_t size)
    mtx_lock(&screen->mem_mutex);
 
    mem->offset = util_vma_heap_alloc(&screen->mem_heap, mem->size, alignment);
+   if (!mem->offset) {
+      mtx_unlock(&screen->mem_mutex);
+      FREE(mem);
+      return NULL;
+   }
 
    if (mem->offset + mem->size > screen->mem_file_size) {
       /* expand the anonymous file */