--- zzzz-none-000/linux-2.6.39.4/net/ipv6/exthdrs_core.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ipv6/exthdrs_core.c	2021-11-10 13:38:18.000000000 +0000
@@ -74,7 +74,7 @@
 		if (nexthdr == NEXTHDR_NONE)
 			return -1;
 		hp = skb_header_pointer(skb, start, sizeof(_hdr), &_hdr);
-		if (hp == NULL)
+		if (!hp)
 			return -1;
 		if (nexthdr == NEXTHDR_FRAGMENT) {
 			__be16 _frag_off, *fp;
@@ -83,7 +83,7 @@
 							       frag_off),
 						sizeof(_frag_off),
 						&_frag_off);
-			if (fp == NULL)
+			if (!fp)
 				return -1;
 
 			if (ntohs(*fp) & ~0x7)