[NETFILTER]: Remove redundant parentheses/braces

Removes redundant parentheses and braces (And add one pair in a
xt_tcpudp.c macro).

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 files changed, 38 insertions, 40 deletions

diff --git a/net/ipv6/netfilter/ip6t_HL.c b/net/ipv6/netfilter/ip6t_HL.c
index 20047ff..33c4cb8 100644
--- a/net/ipv6/netfilter/ip6t_HL.c
+++ b/net/ipv6/netfilter/ip6t_HL.c
@@ -71,7 +71,7 @@ static bool ip6t_hl_checkentry(const char *tablename,
 			info->mode);
 		return false;
 	}
-	if ((info->mode != IP6T_HL_SET) && (info->hop_limit == 0)) {
+	if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
 		printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
 			"make sense with value 0\n");
 		return false;
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 4df07f0..0fa1f2c 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -69,7 +69,7 @@ static void send_reset(struct sk_buff *oldskb)
 	otcplen = oldskb->len - tcphoff;
 
 	/* IP header checks: fragment, too short. */
-	if ((proto != IPPROTO_TCP) || (otcplen < sizeof(struct tcphdr))) {
+	if (proto != IPPROTO_TCP || otcplen < sizeof(struct tcphdr)) {
 		DEBUGP("ip6t_REJECT: proto(%d) != IPPROTO_TCP, or too short. otcplen = %d\n",
 			proto, otcplen);
 		return;
diff --git a/net/ipv6/netfilter/ip6t_ah.c b/net/ipv6/netfilter/ip6t_ah.c
index b4b1d28..fbf3d77 100644
--- a/net/ipv6/netfilter/ip6t_ah.c
+++ b/net/ipv6/netfilter/ip6t_ah.c
@@ -78,9 +78,9 @@ match(const struct sk_buff *skb,
 	DEBUGP("SPI %u %08X\n", ntohl(ah->spi), ntohl(ah->spi));
 
 	DEBUGP("IPv6 AH spi %02X ",
-	       (spi_match(ahinfo->spis[0], ahinfo->spis[1],
-			  ntohl(ah->spi),
-			  !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
+	       spi_match(ahinfo->spis[0], ahinfo->spis[1],
+			 ntohl(ah->spi),
+			 !!(ahinfo->invflags & IP6T_AH_INV_SPI)));
 	DEBUGP("len %02X %04X %02X ",
 	       ahinfo->hdrlen, hdrlen,
 	       (!ahinfo->hdrlen ||
@@ -92,9 +92,9 @@ match(const struct sk_buff *skb,
 
 	return (ah != NULL)
 	       &&
-	       (spi_match(ahinfo->spis[0], ahinfo->spis[1],
-			  ntohl(ah->spi),
-			  !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
+	       spi_match(ahinfo->spis[0], ahinfo->spis[1],
+			 ntohl(ah->spi),
+			 !!(ahinfo->invflags & IP6T_AH_INV_SPI))
 	       &&
 	       (!ahinfo->hdrlen ||
 		(ahinfo->hdrlen == hdrlen) ^
diff --git a/net/ipv6/netfilter/ip6t_eui64.c b/net/ipv6/netfilter/ip6t_eui64.c
index bebb12a..2af99fc 100644
--- a/net/ipv6/netfilter/ip6t_eui64.c
+++ b/net/ipv6/netfilter/ip6t_eui64.c
@@ -33,7 +33,7 @@ match(const struct sk_buff *skb,
 	int i = 0;
 
 	if (!(skb_mac_header(skb) >= skb->head &&
-	      (skb_mac_header(skb) + ETH_HLEN) <= skb->data) &&
+	      skb_mac_header(skb) + ETH_HLEN <= skb->data) &&
 	    offset != 0) {
 		*hotdrop = true;
 		return false;
@@ -50,8 +50,8 @@ match(const struct sk_buff *skb,
 			eui64[0] |= 0x02;
 
 			i = 0;
-			while ((ipv6_hdr(skb)->saddr.s6_addr[8 + i] == eui64[i])
-			       && (i < 8))
+			while (ipv6_hdr(skb)->saddr.s6_addr[8 + i] == eui64[i]
+			       && i < 8)
 				i++;
 
 			if (i == 8)
diff --git a/net/ipv6/netfilter/ip6t_frag.c b/net/ipv6/netfilter/ip6t_frag.c
index e0e416b..65482af 100644
--- a/net/ipv6/netfilter/ip6t_frag.c
+++ b/net/ipv6/netfilter/ip6t_frag.c
@@ -77,35 +77,35 @@ match(const struct sk_buff *skb,
 	       ntohl(fh->identification));
 
 	DEBUGP("IPv6 FRAG id %02X ",
-	       (id_match(fraginfo->ids[0], fraginfo->ids[1],
+	       id_match(fraginfo->ids[0], fraginfo->ids[1],
 			 ntohl(fh->identification),
-			 !!(fraginfo->invflags & IP6T_FRAG_INV_IDS))));
+			 !!(fraginfo->invflags & IP6T_FRAG_INV_IDS)));
 	DEBUGP("res %02X %02X%04X %02X ",
-	       (fraginfo->flags & IP6T_FRAG_RES), fh->reserved,
+	       fraginfo->flags & IP6T_FRAG_RES, fh->reserved,
 	       ntohs(fh->frag_off) & 0x6,
 	       !((fraginfo->flags & IP6T_FRAG_RES)
 		 && (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
 	DEBUGP("first %02X %02X %02X ",
-	       (fraginfo->flags & IP6T_FRAG_FST),
+	       fraginfo->flags & IP6T_FRAG_FST,
 	       ntohs(fh->frag_off) & ~0x7,
 	       !((fraginfo->flags & IP6T_FRAG_FST)
 		 && (ntohs(fh->frag_off) & ~0x7)));
 	DEBUGP("mf %02X %02X %02X ",
-	       (fraginfo->flags & IP6T_FRAG_MF),
+	       fraginfo->flags & IP6T_FRAG_MF,
 	       ntohs(fh->frag_off) & IP6_MF,
 	       !((fraginfo->flags & IP6T_FRAG_MF)
 		 && !((ntohs(fh->frag_off) & IP6_MF))));
 	DEBUGP("last %02X %02X %02X\n",
-	       (fraginfo->flags & IP6T_FRAG_NMF),
+	       fraginfo->flags & IP6T_FRAG_NMF,
 	       ntohs(fh->frag_off) & IP6_MF,
 	       !((fraginfo->flags & IP6T_FRAG_NMF)
 		 && (ntohs(fh->frag_off) & IP6_MF)));
 
 	return (fh != NULL)
 	       &&
-	       (id_match(fraginfo->ids[0], fraginfo->ids[1],
-			 ntohl(fh->identification),
-			 !!(fraginfo->invflags & IP6T_FRAG_INV_IDS)))
+	       id_match(fraginfo->ids[0], fraginfo->ids[1],
+			ntohl(fh->identification),
+			!!(fraginfo->invflags & IP6T_FRAG_INV_IDS))
 	       &&
 	       !((fraginfo->flags & IP6T_FRAG_RES)
 		 && (fh->reserved || (ntohs(fh->frag_off) & 0x6)))
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index bbd2615..8eecac1 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c
@@ -160,7 +160,7 @@ match(const struct sk_buff *skb,
 			DEBUGP("len%04X \n", optlen);
 
 			if ((ptr > skb->len - optlen || hdrlen < optlen) &&
-			    (temp < optinfo->optsnr - 1)) {
+			    temp < optinfo->optsnr - 1) {
 				DEBUGP("new pointer is too large! \n");
 				break;
 			}
diff --git a/net/ipv6/netfilter/ip6t_hl.c b/net/ipv6/netfilter/ip6t_hl.c
index b933e84..ddee088 100644
--- a/net/ipv6/netfilter/ip6t_hl.c
+++ b/net/ipv6/netfilter/ip6t_hl.c
@@ -29,16 +29,16 @@ static bool match(const struct sk_buff *skb,
 
 	switch (info->mode) {
 		case IP6T_HL_EQ:
-			return (ip6h->hop_limit == info->hop_limit);
+			return ip6h->hop_limit == info->hop_limit;
 			break;
 		case IP6T_HL_NE:
-			return (!(ip6h->hop_limit == info->hop_limit));
+			return ip6h->hop_limit != info->hop_limit;
 			break;
 		case IP6T_HL_LT:
-			return (ip6h->hop_limit < info->hop_limit);
+			return ip6h->hop_limit < info->hop_limit;
 			break;
 		case IP6T_HL_GT:
-			return (ip6h->hop_limit > info->hop_limit);
+			return ip6h->hop_limit > info->hop_limit;
 			break;
 		default:
 			printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 5ba6ef0..ca020ce 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -74,9 +74,9 @@ ipv6header_match(const struct sk_buff *skb,
 		BUG_ON(hp == NULL);
 
 		/* Calculate the header length */
-		if (nexthdr == NEXTHDR_FRAGMENT) {
+		if (nexthdr == NEXTHDR_FRAGMENT)
 			hdrlen = 8;
-		} else if (nexthdr == NEXTHDR_AUTH)
+		else if (nexthdr == NEXTHDR_AUTH)
 			hdrlen = (hp->hdrlen + 2) << 2;
 		else
 			hdrlen = ipv6_optlen(hp);
@@ -110,7 +110,7 @@ ipv6header_match(const struct sk_buff *skb,
 			break;
 	}
 
-	if ((nexthdr != NEXTHDR_NONE) && (nexthdr != NEXTHDR_ESP))
+	if (nexthdr != NEXTHDR_NONE && nexthdr != NEXTHDR_ESP)
 		temp |= MASK_PROTO;
 
 	if (info->modeflag)
diff --git a/net/ipv6/netfilter/ip6t_owner.c b/net/ipv6/netfilter/ip6t_owner.c
index 8cb6c94..d2bf320 100644
--- a/net/ipv6/netfilter/ip6t_owner.c
+++ b/net/ipv6/netfilter/ip6t_owner.c
@@ -38,17 +38,15 @@ match(const struct sk_buff *skb,
 	if (!skb->sk || !skb->sk->sk_socket || !skb->sk->sk_socket->file)
 		return false;
 
-	if (info->match & IP6T_OWNER_UID) {
+	if (info->match & IP6T_OWNER_UID)
 		if ((skb->sk->sk_socket->file->f_uid != info->uid) ^
 		    !!(info->invert & IP6T_OWNER_UID))
 			return false;
-	}
 
-	if (info->match & IP6T_OWNER_GID) {
+	if (info->match & IP6T_OWNER_GID)
 		if ((skb->sk->sk_socket->file->f_gid != info->gid) ^
 		    !!(info->invert & IP6T_OWNER_GID))
 			return false;
-	}
 
 	return true;
 }
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index bc5ff4b..f86fdcd 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -87,9 +87,9 @@ match(const struct sk_buff *skb,
 	DEBUGP("SGS_LEFT %u %02X\n", rh->segments_left, rh->segments_left);
 
 	DEBUGP("IPv6 RT segsleft %02X ",
-	       (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
-			       rh->segments_left,
-			       !!(rtinfo->invflags & IP6T_RT_INV_SGS))));
+	       segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
+			      rh->segments_left,
+			      !!(rtinfo->invflags & IP6T_RT_INV_SGS)));
 	DEBUGP("type %02X %02X %02X ",
 	       rtinfo->rt_type, rh->type,
 	       (!(rtinfo->flags & IP6T_RT_TYP) ||
@@ -97,11 +97,11 @@ match(const struct sk_buff *skb,
 		 !!(rtinfo->invflags & IP6T_RT_INV_TYP))));
 	DEBUGP("len %02X %04X %02X ",
 	       rtinfo->hdrlen, hdrlen,
-	       (!(rtinfo->flags & IP6T_RT_LEN) ||
+	       !(rtinfo->flags & IP6T_RT_LEN) ||
 		((rtinfo->hdrlen == hdrlen) ^
-		 !!(rtinfo->invflags & IP6T_RT_INV_LEN))));
+		 !!(rtinfo->invflags & IP6T_RT_INV_LEN)));
 	DEBUGP("res %02X %02X %02X ",
-	       (rtinfo->flags & IP6T_RT_RES),
+	       rtinfo->flags & IP6T_RT_RES,
 	       ((const struct rt0_hdr *)rh)->reserved,
 	       !((rtinfo->flags & IP6T_RT_RES) &&
 		 (((const struct rt0_hdr *)rh)->reserved)));
@@ -188,8 +188,8 @@ match(const struct sk_buff *skb,
 					break;
 			}
 			DEBUGP("temp=%d #%d\n", temp, rtinfo->addrnr);
-			if ((temp == rtinfo->addrnr) &&
-			    (temp == (unsigned int)((hdrlen - 8) / 16)))
+			if (temp == rtinfo->addrnr &&
+			    temp == (unsigned int)((hdrlen - 8) / 16))
 				return ret;
 			else
 				return false;