jffs2: NULL return of kmem_cache_zalloc should be handled

NULL return of kmem_cache_zalloc should be handled in jffs2_alloc_xattr_datum
and jff2_alloc_xattr_ref.

Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
1 file changed