Linux Ethernet Bridging - Aug 2017 - [Bridge] [PATCH 4/7] ipv4: make net_protocol const

Make these const as they are not modified.

Bhumika Goyal (7):
  Bluetooth: 6lowpan: make header_ops const
  bridge: make ebt_table const
  ieee802154: 6lowpan: make header_ops const
  ipv4: make net_protocol const
  RDS: make rhashtable_params const
  netfilter: nat: make rhashtable_params const
  SUNRPC: make kvec const

 net/bluetooth/6lowpan.c            | 2 +-
 net/bridge/netfilter/ebtable_nat.c | 2 +-
 net/ieee802154/6lowpan/core.c      | 2 +-
 net/ipv4/af_inet.c                 | 4 ++--
 net/netfilter/nf_nat_core.c        | 2 +-
 net/rds/bind.c                     | 2 +-
 net/sunrpc/xdr.c                   | 2 +-
 7 files changed, 8 insertions(+), 8 deletions(-)

-- 
1.9.1

Make this const as it is only stored as a reference in a const field of
a net_device structure.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/bluetooth/6lowpan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 4e2576f..50fcdd1 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -581,7 +581,7 @@ static int bt_dev_init(struct net_device *dev)
 	.ndo_start_xmit		= bt_xmit,
 };
 
-static struct header_ops header_ops = {
+static const struct header_ops header_ops = {
 	.create	= header_create,
 };
 
-- 
1.9.1

Make this const as it is only passed to a const argument of the function
ebt_register_table.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/bridge/netfilter/ebtable_nat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bridge/netfilter/ebtable_nat.c
b/net/bridge/netfilter/ebtable_nat.c
index 4ecf506..57cd5bb 100644
--- a/net/bridge/netfilter/ebtable_nat.c
+++ b/net/bridge/netfilter/ebtable_nat.c
@@ -48,7 +48,7 @@ static int check(const struct ebt_table_info *info, unsigned
int valid_hooks)
 	return 0;
 }
 
-static struct ebt_table frame_nat = {
+static const struct ebt_table frame_nat = {
 	.name		= "nat",
 	.table		= &initial_table,
 	.valid_hooks	= NAT_VALID_HOOKS,
-- 
1.9.1

Make this const as it is only stored as a reference in a const field of
a net_device structure.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/ieee802154/6lowpan/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index de2661c..974765b 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -54,7 +54,7 @@
 
 static int open_count;
 
-static struct header_ops lowpan_header_ops = {
+static const struct header_ops lowpan_header_ops = {
 	.create	= lowpan_header_create,
 };
 
-- 
1.9.1

Make these const as they are only passed to a const argument of the
function inet_add_protocol.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/ipv4/af_inet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index d678820..19aee07 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1596,7 +1596,7 @@ u64 snmp_fold_field64(void __percpu *mib, int offt, size_t
syncp_offset)
 };
 #endif
 
-static struct net_protocol tcp_protocol = {
+static const struct net_protocol tcp_protocol = {
 	.early_demux	=	tcp_v4_early_demux,
 	.early_demux_handler =  tcp_v4_early_demux,
 	.handler	=	tcp_v4_rcv,
@@ -1606,7 +1606,7 @@ u64 snmp_fold_field64(void __percpu *mib, int offt, size_t
syncp_offset)
 	.icmp_strict_tag_validation = 1,
 };
 
-static struct net_protocol udp_protocol = {
+static const struct net_protocol udp_protocol = {
 	.early_demux =	udp_v4_early_demux,
 	.early_demux_handler =	udp_v4_early_demux,
 	.handler =	udp_rcv,
-- 
1.9.1

Make this const as it is either used during a copy operation or passed
to a const argument of the function rhltable_init

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/rds/bind.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rds/bind.c b/net/rds/bind.c
index 3a915be..75d43dc 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -40,7 +40,7 @@
 
 static struct rhashtable bind_hash_table;
 
-static struct rhashtable_params ht_parms = {
+static const struct rhashtable_params ht_parms = {
 	.nelem_hint = 768,
 	.key_len = sizeof(u64),
 	.key_offset = offsetof(struct rds_sock, rs_bound_key),
-- 
1.9.1

Make this const as it is either used during a copy operation or passed
to a const argument of the function rhltable_init.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/netfilter/nf_nat_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index b1d3740..df983ea 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -198,7 +198,7 @@ static int nf_nat_bysource_cmp(struct rhashtable_compare_arg
*arg,
 	return 0;
 }
 
-static struct rhashtable_params nf_nat_bysource_params = {
+static const struct rhashtable_params nf_nat_bysource_params = {
 	.head_offset = offsetof(struct nf_conn, nat_bysource),
 	.obj_hashfn = nf_nat_bysource_hash,
 	.obj_cmpfn = nf_nat_bysource_cmp,
-- 
1.9.1

Make this const as it is only used during a copy operation.

Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
---
 net/sunrpc/xdr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index e34f4ee..a096025 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -998,7 +998,7 @@ void xdr_enter_page(struct xdr_stream *xdr, unsigned int
len)
 }
 EXPORT_SYMBOL_GPL(xdr_enter_page);
 
-static struct kvec empty_iov = {.iov_base = NULL, .iov_len = 0};
+static const struct kvec empty_iov = {.iov_base = NULL, .iov_len = 0};
 
 void
 xdr_buf_from_iov(struct kvec *iov, struct xdr_buf *buf)
-- 
1.9.1

Hi Bhumika,
> Make this const as it is only stored as a reference in a const field of
> a net_device structure.
> 
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
> ---
> net/ieee802154/6lowpan/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
patch has been applied to bluetooth-next tree.

Regards

Marcel

From: Bhumika Goyal <bhumirks at gmail.com>
Date: Fri, 25 Aug 2017 19:51:42 +0530
> Make this const as it is only passed to a const argument of the function
> ebt_register_table.
> 
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
Applied.

From: Bhumika Goyal <bhumirks at gmail.com>
Date: Fri, 25 Aug 2017 19:51:44 +0530
> Make these const as they are only passed to a const argument of the
> function inet_add_protocol.
> 
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
Applied.

From: Bhumika Goyal <bhumirks at gmail.com>
Date: Fri, 25 Aug 2017 19:51:45 +0530
> Make this const as it is either used during a copy operation or passed
> to a const argument of the function rhltable_init
> 
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
Applied.