3292 	u8 *xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()  local
3315 			if (xprth + 4 < skb->data ||  in decode_session4()
3316 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in decode_session4()
3319 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3320 				ports = (__be16 *)xprth;  in decode_session4()
3327 			if (xprth + 2 < skb->data ||  in decode_session4()
3328 			    pskb_may_pull(skb, xprth + 2 - skb->data)) {  in decode_session4()
3331 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3332 				icmp = xprth;  in decode_session4()
3339 			if (xprth + 4 < skb->data ||  in decode_session4()
3340 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in decode_session4()
3343 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3344 				ehdr = (__be32 *)xprth;  in decode_session4()
3350 			if (xprth + 8 < skb->data ||  in decode_session4()
3351 			    pskb_may_pull(skb, xprth + 8 - skb->data)) {  in decode_session4()
3354 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3355 				ah_hdr = (__be32 *)xprth;  in decode_session4()
3361 			if (xprth + 4 < skb->data ||  in decode_session4()
3362 			    pskb_may_pull(skb, xprth + 4 - skb->data)) {  in decode_session4()
3365 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3366 				ipcomp_hdr = (__be16 *)xprth;  in decode_session4()
3372 			if (xprth + 12 < skb->data ||  in decode_session4()
3373 			    pskb_may_pull(skb, xprth + 12 - skb->data)) {  in decode_session4()
3377 				xprth = skb_network_header(skb) + ihl * 4;  in decode_session4()
3378 				greflags = (__be16 *)xprth;  in decode_session4()
3379 				gre_hdr = (__be32 *)xprth;  in decode_session4()