Commit e3e04399 authored Nov 06, 2020 by Christian König

drm/ttm: fix missing NULL check in the new page pool



The pool parameter can be NULL if we free through the shrinker.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Martin Peres <martin.peres@mupuf.org>
Acked-by: Martin Peres <martin.peres@mupuf.org>
Reported-by: Andy Lavr <andy.lavr@gmail.com>
Tested-by: Andy Lavr <andy.lavr@gmail.com>
Link: https://patchwork.freedesktop.org/patch/399365/

parent a7319c8f

drivers/gpu/drm/ttm/ttm_pool.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -135,7 +135,7 @@ static void ttm_pool_free_page(struct ttm_pool *pool, enum ttm_caching caching,
		set_pages_wb(p, 1 << order);
		#endif

		if (!pool->use_dma_alloc) {
		if (!pool \|\| !pool->use_dma_alloc) {
		__free_pages(p, order);
		return;
		}

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