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| author | Xiongwei Song <sxwjean@gmail.com> | 2018-01-02 21:24:55 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-01-02 14:54:05 -0500 |
| commit | 19d859a7205bc59ffc38303eb25ae394f61d21dc (patch) | |
| tree | 78687b322eb35074276572e246a8597b197dda6c /drivers | |
| parent | 807fc072991861ff0cd7ac44267ff1dd76ef316e (diff) | |
| download | linux-19d859a7205bc59ffc38303eb25ae394f61d21dc.tar.gz linux-19d859a7205bc59ffc38303eb25ae394f61d21dc.tar.bz2 linux-19d859a7205bc59ffc38303eb25ae394f61d21dc.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index b5ba6441489f..5d252fb27a82 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -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); |