[PATCH v5 6/6] ttm_pool_mgr_init() does not check return value

[Óscar Megía López]

Bug: ttm_pool_mgr_init() does not check return value in
ttm_global_init().

Fix: Check the return value from ttm_pool_mgr_init() and propagate
the error.

Assisted-by: OpenCode:1.17.18-Big Pickle/DeepSeek V4 Flash
Assisted-by: claude.ai:Sonnet 5
Cc: <stable@xxxxxxxxxxxxxxx> # 7.1.0
Fixes: 444e2a19d7fd ("ttm/pool: port to list_lru. (v2)")
Signed-off-by: Óscar Megía López <megia.oscar@xxxxxxxxx>
---
 drivers/gpu/drm/ttm/ttm_device.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
index d3bfb9a696a7..896b766712d0 100644
--- a/drivers/gpu/drm/ttm/ttm_device.c
+++ b/drivers/gpu/drm/ttm/ttm_device.c
@@ -96,7 +96,9 @@ static int ttm_global_init(void)
 		>> PAGE_SHIFT;
 	num_dma32 = min(num_dma32, 2UL << (30 - PAGE_SHIFT));
 
-	ttm_pool_mgr_init(num_pages);
+	ret = ttm_pool_mgr_init(num_pages);
+	if (ret)
+		goto out;
 	ttm_tt_mgr_init(num_pages, num_dma32);
 
 	glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32 |
-- 
2.55.0