diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 5d2f24fbafc5..ae323841adb1 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -404,6 +404,12 @@ kmem_cache_create(const char *name, size_t size, size_t align, goto out_unlock; } + /* Refuse requests with allocator specific flags */ + if (flags & ~SLAB_FLAGS_PERMITTED) { + err = -EINVAL; + goto out_unlock; + } + /* * Some allocators will constraint the set of valid flags to a subset * of all flags. We expect them to define CACHE_CREATE_MASK in this |