Commit 19d859a7 authored Jan 02, 2018 by Xiongwei Song Committed by Alex Deucher Jan 02, 2018

drm/ttm: check the return value of kzalloc



In the function ttm_page_alloc_init, kzalloc call is made for variable
_manager, we need to check its return value, it may return NULL.

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 807fc072

drivers/gpu/drm/ttm/ttm_page_alloc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1007,6 +1007,8 @@ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages)
		pr_info("Initializing pool allocator\n");

		_manager = kzalloc(sizeof(*_manager), GFP_KERNEL);
		if (!_manager)
		return -ENOMEM;

		ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc", 0);

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