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vj_uncompress_uncomp: copy from/to bigger buffers (used for checks before) instead of cs->cs_ip and ip; just to help static code analysis to see this is correct ;-)

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goldsimon 2017-03-30 21:54:42 +02:00
parent aa0601a66d
commit 1c57c84200
1 changed files with 3 additions and 1 deletions
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4
src/netif/ppp/vj.c
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@ -483,7 +483,9 @@ vj_uncompress_uncomp(struct pbuf *nb, struct vjcompress *comp)
cs = &comp->rstate[comp->last_recv = IPH_PROTO(ip)]; cs = &comp->rstate[comp->last_recv = IPH_PROTO(ip)];
comp->flags &=~ VJF_TOSS; comp->flags &=~ VJF_TOSS;
IPH_PROTO_SET(ip, IP_PROTO_TCP); IPH_PROTO_SET(ip, IP_PROTO_TCP);
MEMCPY(&cs->cs_ip, ip, hlen); /* copy from/to bigger buffers checked above instead of cs->cs_ip and ip
just to help static code analysis to see this is correct ;-) */
MEMCPY(&cs->cs_hdr, nb->payload, hlen);
cs->cs_hlen = (u16_t)hlen; cs->cs_hlen = (u16_t)hlen;
INCR(vjs_uncompressedin); INCR(vjs_uncompressedin);
return 0; return 0;