[PATCH] net: netfilters: Remove unnecessary parenthesis

From: Arushi Singhal
Date: Tue Mar 28 2017 - 09:28:01 EST


Rmoved parentheses on the right hand side of assignment, as they are
not required. The following coccinelle script was used to fix this
issue:

@@
local idexpression id;
expression e;
@@

id =
-(
e
-)

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_proto_tcp.c | 2 +-
net/netfilter/nf_conntrack_proto_tcp.c | 2 +-
net/netfilter/nft_fib.c | 2 +-
net/netfilter/nft_set_bitmap.c | 2 +-
net/netfilter/x_tables.c | 2 +-
net/netfilter/xt_socket.c | 8 ++++----
6 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 5117bcb7d2f0..9f2abda017c4 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -487,7 +487,7 @@ static struct tcp_states_t tcp_states_dos [] = {

static void tcp_timeout_change(struct ip_vs_proto_data *pd, int flags)
{
- int on = (flags & 1); /* secure_tcp */
+ int on = flags & 1; /* secure_tcp */

/*
** FIXME: change secure_tcp to independent sysctl var
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index b122e9dacfed..2e5e4a4d4778 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -789,7 +789,7 @@ static int tcp_error(struct net *net, struct nf_conn *tmpl,
}

/* Check TCP flags. */
- tcpflags = (tcp_flag_byte(th) & ~(TCPHDR_ECE|TCPHDR_CWR|TCPHDR_PSH));
+ tcpflags = tcp_flag_byte(th) & ~(TCPHDR_ECE|TCPHDR_CWR|TCPHDR_PSH);
if (!tcp_valid_flags[tcpflags]) {
if (LOG_INVALID(net, IPPROTO_TCP))
nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL,
diff --git a/net/netfilter/nft_fib.c b/net/netfilter/nft_fib.c
index 29a4906adc27..c907c27b0374 100644
--- a/net/netfilter/nft_fib.c
+++ b/net/netfilter/nft_fib.c
@@ -35,7 +35,7 @@ int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
switch (priv->result) {
case NFT_FIB_RESULT_OIF: /* fallthrough */
case NFT_FIB_RESULT_OIFNAME:
- hooks = (1 << NF_INET_PRE_ROUTING);
+ hooks = 1 << NF_INET_PRE_ROUTING;
break;
case NFT_FIB_RESULT_ADDRTYPE:
if (priv->flags & NFTA_FIB_F_IIF)
diff --git a/net/netfilter/nft_set_bitmap.c b/net/netfilter/nft_set_bitmap.c
index 152d226552c1..09867146539e 100644
--- a/net/netfilter/nft_set_bitmap.c
+++ b/net/netfilter/nft_set_bitmap.c
@@ -47,7 +47,7 @@ struct nft_bitmap {

static inline void nft_bitmap_location(u32 key, u32 *idx, u32 *off)
{
- u32 k = (key << 1);
+ u32 k = key << 1;

*idx = k / BITS_PER_BYTE;
*off = k % BITS_PER_BYTE;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 14857afc9937..7a4a9beadedb 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -506,7 +506,7 @@ static int xt_check_entry_match(const char *match, const char *target,
return -EINVAL;

length -= pos->u.match_size;
- pos = ((void *)((char *)(pos) + (pos)->u.match_size));
+ pos = (void *)((char *)(pos) + (pos)->u.match_size);
} while (length > 0);

return 0;
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 770bbec878f1..bf86e12808bd 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -65,9 +65,9 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
/* Ignore sockets listening on INADDR_ANY,
* unless XT_SOCKET_NOWILDCARD is set
*/
- wildcard = (!(info->flags & XT_SOCKET_NOWILDCARD) &&
+ wildcard = !(info->flags & XT_SOCKET_NOWILDCARD) &&
sk_fullsock(sk) &&
- inet_sk(sk)->inet_rcv_saddr == 0);
+ inet_sk(sk)->inet_rcv_saddr == 0;

/* Ignore non-transparent sockets,
* if XT_SOCKET_TRANSPARENT is used
@@ -122,9 +122,9 @@ socket_mt6_v1_v2_v3(const struct sk_buff *skb, struct xt_action_param *par)
/* Ignore sockets listening on INADDR_ANY
* unless XT_SOCKET_NOWILDCARD is set
*/
- wildcard = (!(info->flags & XT_SOCKET_NOWILDCARD) &&
+ wildcard = !(info->flags & XT_SOCKET_NOWILDCARD) &&
sk_fullsock(sk) &&
- ipv6_addr_any(&sk->sk_v6_rcv_saddr));
+ ipv6_addr_any(&sk->sk_v6_rcv_saddr);

/* Ignore non-transparent sockets,
* if XT_SOCKET_TRANSPARENT is used
--
2.11.0