Author: Julia Lawall <julia@diku.dk> Memory allocated using kmem_cache_zalloc should be freed using kmem_cache_free, not kfree. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression x,e,e1,e2; @@ x = kmem_cache_zalloc(e1,e2) … when != x = e ?-kfree(x) +kmem_cache_free(e1,x) // Signed-off-by: Julia Lawall Signed-off-by: Joel Becker — fs/ocfs2/dlm/dlmlock.c | 2 +- 1 …