[NET]: Forget the zero_it argument of sk_alloc()

Finally, the zero_it argument can be completely removed from
the callers and from the function prototype.

Besides, fix the checkpatch.pl warnings about using the
assignments inside if-s.

This patch is rather big, and it is a part of the previous one.
I splitted it wishing to make the patches more readable. Hope 
this particular split helped.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index f718965..9ebd3c6 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -213,7 +213,7 @@
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto);
 	if (!sk)
 		return -ENOMEM;
 
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index cf700c2..783edab 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -204,7 +204,7 @@
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto);
 	if (!sk)
 		return -ENOMEM;
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 8825102..1499132 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -645,7 +645,7 @@
 
 	sock->ops = &hci_sock_ops;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto);
 	if (!sk)
 		return -ENOMEM;
 
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 1de2b6f..3292b95 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -255,7 +255,7 @@
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hidp_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hidp_proto);
 	if (!sk)
 		return -ENOMEM;
 
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 6fbbae7..477e052 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -607,7 +607,7 @@
 {
 	struct sock *sk;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, prio, &l2cap_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, prio, &l2cap_proto);
 	if (!sk)
 		return NULL;
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 266b697..c46d510 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -287,7 +287,7 @@
 	struct rfcomm_dlc *d;
 	struct sock *sk;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, prio, &rfcomm_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, prio, &rfcomm_proto);
 	if (!sk)
 		return NULL;
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 82d0dfdf..93ad1aa 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -421,7 +421,7 @@
 {
 	struct sock *sk;
 
-	sk = sk_alloc(net, PF_BLUETOOTH, prio, &sco_proto, 1);
+	sk = sk_alloc(net, PF_BLUETOOTH, prio, &sco_proto);
 	if (!sk)
 		return NULL;