[NETFILTER] ip6tables: whitespace and indent cosmetic cleanup

Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 112 insertions, 103 deletions

diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 8465b437585..8f82476dc89 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -33,12 +33,12 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
 static inline int
 segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, int invert)
 {
-       int r=0;
-       DEBUGP("rt segsleft_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
-              min,id,max);
-       r=(id >= min && id <= max) ^ invert;
-       DEBUGP(" result %s\n",r? "PASS" : "FAILED");
-       return r;
+	int r = 0;
+	DEBUGP("rt segsleft_match:%c 0x%x <= 0x%x <= 0x%x",
+	       invert ? '!' : ' ', min, id, max);
+	r = (id >= min && id <= max) ^ invert;
+	DEBUGP(" result %s\n", r ? "PASS" : "FAILED");
+	return r;
 }
 
 static int
@@ -50,87 +50,93 @@ match(const struct sk_buff *skb,
       unsigned int protoff,
       int *hotdrop)
 {
-       struct ipv6_rt_hdr _route, *rh;
-       const struct ip6t_rt *rtinfo = matchinfo;
-       unsigned int temp;
-       unsigned int ptr;
-       unsigned int hdrlen = 0;
-       unsigned int ret = 0;
-       struct in6_addr *ap, _addr;
+	struct ipv6_rt_hdr _route, *rh;
+	const struct ip6t_rt *rtinfo = matchinfo;
+	unsigned int temp;
+	unsigned int ptr;
+	unsigned int hdrlen = 0;
+	unsigned int ret = 0;
+	struct in6_addr *ap, _addr;
 
 	if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL) < 0)
 		return 0;
 
-       rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
-       if (rh == NULL){
-	       *hotdrop = 1;
-       		return 0;
-       }
-
-       hdrlen = ipv6_optlen(rh);
-       if (skb->len - ptr < hdrlen){
-	       /* Pcket smaller than its length field */
-       		return 0;
-       }
-
-       DEBUGP("IPv6 RT LEN %u %u ", hdrlen, rh->hdrlen);
-       DEBUGP("TYPE %04X ", rh->type);
-       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))));
-       DEBUGP("type %02X %02X %02X ",
-       		rtinfo->rt_type, rh->type, 
-       		(!(rtinfo->flags & IP6T_RT_TYP) ||
-                           ((rtinfo->rt_type == rh->type) ^
-                           !!(rtinfo->invflags & IP6T_RT_INV_TYP))));
-       DEBUGP("len %02X %04X %02X ",
-       		rtinfo->hdrlen, hdrlen,
-       		(!(rtinfo->flags & IP6T_RT_LEN) ||
-                           ((rtinfo->hdrlen == hdrlen) ^
-                           !!(rtinfo->invflags & IP6T_RT_INV_LEN))));
-       DEBUGP("res %02X %02X %02X ", 
-       		(rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->reserved,
-       		!((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->reserved)));
-
-       ret = (rh != NULL)
-       		&&
-       		(segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
-                           rh->segments_left,
-                           !!(rtinfo->invflags & IP6T_RT_INV_SGS)))
-		&&
-	      	(!(rtinfo->flags & IP6T_RT_LEN) ||
-                           ((rtinfo->hdrlen == hdrlen) ^
-                           !!(rtinfo->invflags & IP6T_RT_INV_LEN)))
-		&&
-       		(!(rtinfo->flags & IP6T_RT_TYP) ||
-                           ((rtinfo->rt_type == rh->type) ^
-                           !!(rtinfo->invflags & IP6T_RT_INV_TYP)));
+	rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
+	if (rh == NULL) {
+		*hotdrop = 1;
+		return 0;
+	}
+
+	hdrlen = ipv6_optlen(rh);
+	if (skb->len - ptr < hdrlen) {
+		/* Pcket smaller than its length field */
+		return 0;
+	}
+
+	DEBUGP("IPv6 RT LEN %u %u ", hdrlen, rh->hdrlen);
+	DEBUGP("TYPE %04X ", rh->type);
+	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))));
+	DEBUGP("type %02X %02X %02X ",
+	       rtinfo->rt_type, rh->type,
+	       (!(rtinfo->flags & IP6T_RT_TYP) ||
+		((rtinfo->rt_type == rh->type) ^
+		 !!(rtinfo->invflags & IP6T_RT_INV_TYP))));
+	DEBUGP("len %02X %04X %02X ",
+	       rtinfo->hdrlen, hdrlen,
+	       (!(rtinfo->flags & IP6T_RT_LEN) ||
+		((rtinfo->hdrlen == hdrlen) ^
+		 !!(rtinfo->invflags & IP6T_RT_INV_LEN))));
+	DEBUGP("res %02X %02X %02X ",
+	       (rtinfo->flags & IP6T_RT_RES),
+	       ((struct rt0_hdr *)rh)->reserved,
+	       !((rtinfo->flags & IP6T_RT_RES) &&
+		 (((struct rt0_hdr *)rh)->reserved)));
+
+	ret = (rh != NULL)
+	      &&
+	      (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
+			      rh->segments_left,
+			      !!(rtinfo->invflags & IP6T_RT_INV_SGS)))
+	      &&
+	      (!(rtinfo->flags & IP6T_RT_LEN) ||
+	       ((rtinfo->hdrlen == hdrlen) ^
+		!!(rtinfo->invflags & IP6T_RT_INV_LEN)))
+	      &&
+	      (!(rtinfo->flags & IP6T_RT_TYP) ||
+	       ((rtinfo->rt_type == rh->type) ^
+		!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
 
 	if (ret && (rtinfo->flags & IP6T_RT_RES)) {
 		u_int32_t *rp, _reserved;
 		rp = skb_header_pointer(skb,
-					ptr + offsetof(struct rt0_hdr, reserved),
-					sizeof(_reserved), &_reserved);
+					ptr + offsetof(struct rt0_hdr,
+						       reserved),
+					sizeof(_reserved),
+					&_reserved);
 
 		ret = (*rp == 0);
 	}
 
-	DEBUGP("#%d ",rtinfo->addrnr);
-       if ( !(rtinfo->flags & IP6T_RT_FST) ){
-	       return ret;
+	DEBUGP("#%d ", rtinfo->addrnr);
+	if (!(rtinfo->flags & IP6T_RT_FST)) {
+		return ret;
 	} else if (rtinfo->flags & IP6T_RT_FST_NSTRICT) {
 		DEBUGP("Not strict ");
-		if ( rtinfo->addrnr > (unsigned int)((hdrlen-8)/16) ){
+		if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
 			DEBUGP("There isn't enough space\n");
 			return 0;
 		} else {
 			unsigned int i = 0;
 
-			DEBUGP("#%d ",rtinfo->addrnr);
-			for(temp=0; temp<(unsigned int)((hdrlen-8)/16); temp++){
+			DEBUGP("#%d ", rtinfo->addrnr);
+			for (temp = 0;
+			     temp < (unsigned int)((hdrlen - 8) / 16);
+			     temp++) {
 				ap = skb_header_pointer(skb,
 							ptr
 							+ sizeof(struct rt0_hdr)
@@ -141,24 +147,26 @@ match(const struct sk_buff *skb,
 				BUG_ON(ap == NULL);
 
 				if (ipv6_addr_equal(ap, &rtinfo->addrs[i])) {
-					DEBUGP("i=%d temp=%d;\n",i,temp);
+					DEBUGP("i=%d temp=%d;\n", i, temp);
 					i++;
 				}
-				if (i==rtinfo->addrnr) break;
+				if (i == rtinfo->addrnr)
+					break;
 			}
 			DEBUGP("i=%d #%d\n", i, rtinfo->addrnr);
 			if (i == rtinfo->addrnr)
 				return ret;
-			else return 0;
+			else
+				return 0;
 		}
 	} else {
 		DEBUGP("Strict ");
-		if ( rtinfo->addrnr > (unsigned int)((hdrlen-8)/16) ){
+		if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
 			DEBUGP("There isn't enough space\n");
 			return 0;
 		} else {
-			DEBUGP("#%d ",rtinfo->addrnr);
-			for(temp=0; temp<rtinfo->addrnr; temp++){
+			DEBUGP("#%d ", rtinfo->addrnr);
+			for (temp = 0; temp < rtinfo->addrnr; temp++) {
 				ap = skb_header_pointer(skb,
 							ptr
 							+ sizeof(struct rt0_hdr)
@@ -171,9 +179,11 @@ 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 0;
+			else
+				return 0;
 		}
 	}
 
@@ -183,32 +193,31 @@ match(const struct sk_buff *skb,
 /* Called when user tries to insert an entry of this type. */
 static int
 checkentry(const char *tablename,
-          const void *entry,
-          void *matchinfo,
-          unsigned int matchinfosize,
-          unsigned int hook_mask)
+	   const void *entry,
+	   void *matchinfo,
+	   unsigned int matchinfosize,
+	   unsigned int hook_mask)
 {
-       const struct ip6t_rt *rtinfo = matchinfo;
-
-       if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_rt))) {
-              DEBUGP("ip6t_rt: matchsize %u != %u\n",
-                      matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_rt)));
-              return 0;
-       }
-       if (rtinfo->invflags & ~IP6T_RT_INV_MASK) {
-              DEBUGP("ip6t_rt: unknown flags %X\n",
-                      rtinfo->invflags);
-              return 0;
-       }
-       if ( (rtinfo->flags & (IP6T_RT_RES|IP6T_RT_FST_MASK)) && 
-		       (!(rtinfo->flags & IP6T_RT_TYP) || 
-		       (rtinfo->rt_type != 0) || 
-		       (rtinfo->invflags & IP6T_RT_INV_TYP)) ) {
-	      DEBUGP("`--rt-type 0' required before `--rt-0-*'");
-              return 0;
-       }
-
-       return 1;
+	const struct ip6t_rt *rtinfo = matchinfo;
+
+	if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_rt))) {
+		DEBUGP("ip6t_rt: matchsize %u != %u\n",
+		       matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_rt)));
+		return 0;
+	}
+	if (rtinfo->invflags & ~IP6T_RT_INV_MASK) {
+		DEBUGP("ip6t_rt: unknown flags %X\n", rtinfo->invflags);
+		return 0;
+	}
+	if ((rtinfo->flags & (IP6T_RT_RES | IP6T_RT_FST_MASK)) &&
+	    (!(rtinfo->flags & IP6T_RT_TYP) ||
+	     (rtinfo->rt_type != 0) ||
+	     (rtinfo->invflags & IP6T_RT_INV_TYP))) {
+		DEBUGP("`--rt-type 0' required before `--rt-0-*'");
+		return 0;
+	}
+
+	return 1;
 }
 
 static struct ip6t_match rt_match = {
@@ -220,12 +229,12 @@ static struct ip6t_match rt_match = {
 
 static int __init init(void)
 {
-       return ip6t_register_match(&rt_match);
+	return ip6t_register_match(&rt_match);
 }
 
 static void __exit cleanup(void)
 {
-       ip6t_unregister_match(&rt_match);
+	ip6t_unregister_match(&rt_match);
 }
 
 module_init(init);