diff options
| -rw-r--r-- | sys/src/9/ip/ethermedium.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/src/9/ip/ethermedium.c b/sys/src/9/ip/ethermedium.c index 1aab2b9ec..f5b4e855d 100644 --- a/sys/src/9/ip/ethermedium.c +++ b/sys/src/9/ip/ethermedium.c @@ -354,11 +354,12 @@ etherread4(void *a) nexterror(); } ifc->in++; - bp->rp += ifc->m->hsize; - if(ifc->lifc == nil) + if(ifc->lifc == nil || BLEN(bp) <= ifc->m->hsize) freeb(bp); - else + else { + bp->rp += ifc->m->hsize; ipiput4(er->f, ifc, bp); + } runlock(ifc); poperror(); } @@ -393,11 +394,12 @@ etherread6(void *a) nexterror(); } ifc->in++; - bp->rp += ifc->m->hsize; - if(ifc->lifc == nil) + if(ifc->lifc == nil || BLEN(bp) <= ifc->m->hsize) freeb(bp); - else + else { + bp->rp += ifc->m->hsize; ipiput6(er->f, ifc, bp); + } runlock(ifc); poperror(); } |