csum_and_copy_from_user 1496 include/linux/skbuff.h __wsum csum = csum_and_copy_from_user(from, skb_put(skb, copy), csum_and_copy_from_user 1106 include/net/sock.h __wsum csum = csum_and_copy_from_user(from, csum_and_copy_from_user 217 net/core/iovec.c csum = csum_and_copy_from_user(base, kdata, copy,