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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[cascardo/linux.git]
/
net
/
core
/
sock.c
diff --git
a/net/core/sock.c
b/net/core/sock.c
index
0725cf0
..
1c7a33d
100644
(file)
--- a/
net/core/sock.c
+++ b/
net/core/sock.c
@@
-888,6
+888,19
@@
set_rcvbuf:
}
break;
}
break;
+ case SO_ATTACH_BPF:
+ ret = -EINVAL;
+ if (optlen == sizeof(u32)) {
+ u32 ufd;
+
+ ret = -EFAULT;
+ if (copy_from_user(&ufd, optval, sizeof(ufd)))
+ break;
+
+ ret = sk_attach_bpf(ufd, sk);
+ }
+ break;
+
case SO_DETACH_FILTER:
ret = sk_detach_filter(sk);
break;
case SO_DETACH_FILTER:
ret = sk_detach_filter(sk);
break;
@@
-1718,18
+1731,34
@@
void *sock_kmalloc(struct sock *sk, int size, gfp_t priority)
}
EXPORT_SYMBOL(sock_kmalloc);
}
EXPORT_SYMBOL(sock_kmalloc);
-/*
- * Free an option memory block.
+/* Free an option memory block. Note, we actually want the inline
+ * here as this allows gcc to detect the nullify and fold away the
+ * condition entirely.
*/
*/
-void sock_kfree_s(struct sock *sk, void *mem, int size)
+static inline void __sock_kfree_s(struct sock *sk, void *mem, int size,
+ const bool nullify)
{
if (WARN_ON_ONCE(!mem))
return;
{
if (WARN_ON_ONCE(!mem))
return;
- kfree(mem);
+ if (nullify)
+ kzfree(mem);
+ else
+ kfree(mem);
atomic_sub(size, &sk->sk_omem_alloc);
}
atomic_sub(size, &sk->sk_omem_alloc);
}
+
+void sock_kfree_s(struct sock *sk, void *mem, int size)
+{
+ __sock_kfree_s(sk, mem, size, false);
+}
EXPORT_SYMBOL(sock_kfree_s);
EXPORT_SYMBOL(sock_kfree_s);
+void sock_kzfree_s(struct sock *sk, void *mem, int size)
+{
+ __sock_kfree_s(sk, mem, size, true);
+}
+EXPORT_SYMBOL(sock_kzfree_s);
+
/* It is almost wait_for_tcp_memory minus release_sock/lock_sock.
I think, these locks should be removed for datagram sockets.
*/
/* It is almost wait_for_tcp_memory minus release_sock/lock_sock.
I think, these locks should be removed for datagram sockets.
*/