Fix ReadPacketData, set vars before read..
Fix ReadPacketData, set vars before read..

UIKit0/gopacket-1,breml/gopacket,UIKit0/gopacket-1,urso/gopacket,rouzier/gopacket,aeppert/gopacket,adriantam/gopacket,josephcopenhaver/gopacket,aeppert/gopacket,ross-williams/gopacket,urso/gopacket,skyportsystems/gopacket,nhooyr/gopacket,ccordes-snaproute/gopacket,breml/gopacket,levigross/gopacket,vtolstov/gopacket,skyportsystems/gopacket,nhooyr/gopacket,1d4Nf6/gopacket,LrsK/gopacket,levigross/gopacket,LrsK/gopacket,UIKit0/gopacket-1,josephcopenhaver/gopacket,adriantam/gopacket,urso/gopacket,1d4Nf6/gopacket,LrsK/gopacket,josephcopenhaver/gopacket,ross-williams/gopacket,ccordes-snaproute/gopacket,adriantam/gopacket,zerklabs/gopacket,1d4Nf6/gopacket,nhooyr/gopacket,zerklabs/gopacket,rouzier/gopacket,vtolstov/gopacket,google/gopacket,breml/gopacket,xuzhaokui/gopacket,levigross/gopacket,aeppert/gopacket,google/gopacket,ross-williams/gopacket,ccordes-snaproute/gopacket,xuzhaokui/gopacket,zerklabs/gopacket,google/gopacket,rouzier/gopacket,vtolstov/gopacket,skyportsystems/gopacket,xuzhaokui/gopacket