[NETFILTER]: Introduce tabs to ip6t_ah.c

Fix horrible indentation, not a single tab in the file.
Signed-off-by: Patrick McHardy <kaber@trash.net>

net/ipv6/netfilter/ip6t_ah.c

@@ -34,7 +34,7 @@ spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, int invert)
 	int r=0;
 	DEBUGP("ah spi_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
 	       min,spi,max);
-       r=(spi >= min && spi <= max) ^ invert;
+	r = (spi >= min && spi <= max) ^ invert;
 	DEBUGP(" result %s\n",r? "PASS\n" : "FAILED\n");
 	return r;
 }
@@ -74,24 +74,22 @@ match(const struct sk_buff *skb,
 		DEBUGP("ipv6_ah header iteration \n");
 
 		/* Is there enough space for the next ext header? */
-                if (len < (int)sizeof(struct ipv6_opt_hdr))
+		if (len < sizeof(struct ipv6_opt_hdr))
 			return 0;
 		/* No more exthdr -> evaluate */
-                if (nexthdr == NEXTHDR_NONE) {
+		if (nexthdr == NEXTHDR_NONE)
 			break;
-              }
 		/* ESP -> evaluate */
-                if (nexthdr == NEXTHDR_ESP) {
+		if (nexthdr == NEXTHDR_ESP)
 			break;
-              }
 
 		hp = skb_header_pointer(skb, ptr, sizeof(_hdr), &_hdr);
 		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);
@@ -104,7 +102,7 @@ match(const struct sk_buff *skb,
 
 		
 		/* set the flag */
-              switch (nexthdr){
+		switch (nexthdr) {
 		case NEXTHDR_HOP:
 		case NEXTHDR_ROUTING:
 		case NEXTHDR_FRAGMENT:
@@ -114,22 +112,22 @@ match(const struct sk_buff *skb,
 		default:
 			DEBUGP("ipv6_ah match: unknown nextheader %u\n",nexthdr);
 			return 0;
-                            break;
 		}
 
 		nexthdr = hp->nexthdr;
 		len -= hdrlen;
 		ptr += hdrlen;
-		if ( ptr > skb->len ) {
+		if (ptr > skb->len) {
 			DEBUGP("ipv6_ah: new pointer too large! \n");
 			break;
 		}
 	}
 
 	/* AH header not found */
-       if ( temp != MASK_AH ) return 0;
+	if (temp != MASK_AH)
+		return 0;
 
-       if (len < (int)sizeof(struct ip_auth_hdr)){
+	if (len < sizeof(struct ip_auth_hdr)){
 		*hotdrop = 1;
 		return 0;
 	}
@@ -183,11 +181,9 @@ checkentry(const char *tablename,
 		return 0;
 	}
 	if (ahinfo->invflags & ~IP6T_AH_INV_MASK) {
-              DEBUGP("ip6t_ah: unknown flags %X\n",
-                      ahinfo->invflags);
+		DEBUGP("ip6t_ah: unknown flags %X\n", ahinfo->invflags);
 		return 0;
 	}
-
 	return 1;
 }