110 	u8 *xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()  local
128 			if (xprth + 4 < skb->data ||  in _decode_session4()
129 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in _decode_session4()
132 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
133 				ports = (__be16 *)xprth;  in _decode_session4()
141 			if (xprth + 2 < skb->data ||  in _decode_session4()
142 			    pskb_may_pull(skb, xprth + 2 - skb->data)) {  in _decode_session4()
145 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
146 				icmp = xprth;  in _decode_session4()
154 			if (xprth + 4 < skb->data ||  in _decode_session4()
155 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in _decode_session4()
158 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
159 				ehdr = (__be32 *)xprth;  in _decode_session4()
166 			if (xprth + 8 < skb->data ||  in _decode_session4()
167 			    pskb_may_pull(skb, xprth + 8 - skb->data)) {  in _decode_session4()
170 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
171 				ah_hdr = (__be32 *)xprth;  in _decode_session4()
178 			if (xprth + 4 < skb->data ||  in _decode_session4()
179 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in _decode_session4()
182 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
183 				ipcomp_hdr = (__be16 *)xprth;  in _decode_session4()
190 			if (xprth + 12 < skb->data ||  in _decode_session4()
191 			    pskb_may_pull(skb, xprth + 12 - skb->data)) {  in _decode_session4()
195 				xprth = skb_network_header(skb) + iph->ihl * 4;  in _decode_session4()
196 				greflags = (__be16 *)xprth;  in _decode_session4()
197 				gre_hdr = (__be32 *)xprth;  in _decode_session4()