Bug: list_lru_init() does not check return value in ttm_pool_type_init(). Fix: Check the return value from list_lru_init() and propagate the error.
Assisted-by: OpenCode:1.17.18-Big Pickle/DeepSeek V4 Flash Assisted-by: claude.ai:Sonnet 5 Cc: <[email protected]> # 7.1.0 Fixes: 444e2a19d7fd ("ttm/pool: port to list_lru. (v2)") Signed-off-by: Óscar Megía López <[email protected]> --- drivers/gpu/drm/ttm/ttm_pool.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c index 88c0d33eed1a..8637f7942347 100644 --- a/drivers/gpu/drm/ttm/ttm_pool.c +++ b/drivers/gpu/drm/ttm/ttm_pool.c @@ -354,17 +354,23 @@ static struct page *ttm_pool_type_take(struct ttm_pool_type *pt, int nid) } /* Initialize and add a pool type to the global shrinker list */ -static void ttm_pool_type_init(struct ttm_pool_type *pt, struct ttm_pool *pool, +static int ttm_pool_type_init(struct ttm_pool_type *pt, struct ttm_pool *pool, enum ttm_caching caching, unsigned int order) { + int ret = 0; + pt->pool = pool; pt->caching = caching; pt->order = order; - list_lru_init(&pt->pages); + ret = list_lru_init(&pt->pages); + if (ret) + return ret; spin_lock(&shrinker_lock); list_add_tail(&pt->shrinker_list, &shrinker_list); spin_unlock(&shrinker_lock); + + return 0; } static enum lru_status pool_move_to_dispose_list(struct list_head *item, -- 2.55.0
