net: remove clear_sk() method

We no longer use this handler, we can delete it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/sock.h b/include/net/sock.h
index 1bc5760..c797c57 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1020,7 +1020,6 @@ struct proto {
        void                    (*unhash)(struct sock *sk);
        void                    (*rehash)(struct sock *sk);
        int                     (*get_port)(struct sock *sk, unsigned short snum);
-       void                    (*clear_sk)(struct sock *sk, int size);
 
        /* Keeping track of sockets in use */
 #ifdef CONFIG_PROC_FS

diff --git a/net/core/sock.c b/net/core/sock.c
index 2b09c29..51a7304 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1326,12 +1326,8 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
                sk = kmem_cache_alloc(slab, priority & ~__GFP_ZERO);
                if (!sk)
                        return sk;
-               if (priority & __GFP_ZERO) {
-                       if (prot->clear_sk)
-                               prot->clear_sk(sk, prot->obj_size);
-                       else
-                               sk_prot_clear_nulls(sk, prot->obj_size);
-               }
+               if (priority & __GFP_ZERO)
+                       sk_prot_clear_nulls(sk, prot->obj_size);
        } else
                sk = kmalloc(prot->obj_size, priority);