Messages in this thread Patch in this message | | | From | Ren Yu <> | Subject | [PATCH v2] mm, slab: check the function kmalloc_slab return value | Date | Tue, 14 Jun 2022 17:23:12 +0800 |
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As the possible failure of the kmalloc_slab, it should be better to check it.
Signed-off-by: Ren Yu <renyu@nfschina.com> Reported-by: kernel test robot <lkp@intel.com> --- v2: - change return value of error path to '-ENOMEM' - not check for zero --- mm/slab.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/slab.c b/mm/slab.c index f8cd00f4ba13..eb3fb042f4f4 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2064,6 +2064,8 @@ int __kmem_cache_create(struct kmem_cache *cachep, slab_flags_t flags) if (OFF_SLAB(cachep)) { cachep->freelist_cache = kmalloc_slab(cachep->freelist_size, 0u); + if (!cachep->freelist_cache) + return -ENOMEM; } err = setup_cpu_cache(cachep, gfp); -- 2.11.0
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