| Message ID | 20220614092312.14006-1-renyu@nfschina.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] mm, slab: check the function kmalloc_slab return value | expand |
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);
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(+)