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vj_compress_tcp: help coverity to see we're not accessing out of bounds (this is a union)

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goldsimon 2018-02-13 12:47:00 +01:00
parent 5ee77262bc
commit 2390eb6826
1 changed files with 1 additions and 1 deletions
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2
src/netif/ppp/vj.c
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@ -289,7 +289,7 @@ vj_compress_tcp(struct vjcompress *comp, struct pbuf **pb)
|| (((struct vj_u16_t*)ip)[3]).v != (((struct vj_u16_t*)&cs->cs_ip)[3]).v
|| (((struct vj_u16_t*)ip)[4]).v != (((struct vj_u16_t*)&cs->cs_ip)[4]).v
|| TCPH_HDRLEN(th) != TCPH_HDRLEN(oth)
|| (deltaS > 5 && BCMP(ip + 1, &cs->cs_ip + 1, (deltaS - 5) << 2))
|| (deltaS > 5 && BCMP(ip + 1, &cs->cs_hdr[sizeof(struct ip_hdr)], (deltaS - 5) << 2))
|| (TCPH_HDRLEN(th) > 5 && BCMP(th + 1, oth + 1, (TCPH_HDRLEN(th) - 5) << 2))) {
goto uncompressed;
}