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gtphub_unmap_header_tei(): don't dereference unmapped_tei arg if not present (CID #57687)

This commit is contained in:
Neels Hofmeyr 2016-04-14 15:21:31 +02:00 committed by Harald Welte
parent 8bb6204d50
commit 312bf6ce8b
1 changed files with 6 additions and 4 deletions
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10
openbsc/src/gprs/gtphub.c
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@ -1434,14 +1434,16 @@ static int gtphub_unmap_header_tei(struct gtphub_peer_port **to_port_p,
p->header_tei_rx, gtphub_port_str(from_port));
return -1;
}
OSMO_ASSERT(*unmapped_from_tun);
if (unmapped_from_tun) {
OSMO_ASSERT(*unmapped_from_tun);
LOG(LOGL_DEBUG, "Unmapped TEI coming from: %s\n",
gtphub_tunnel_str(*unmapped_from_tun));
}
uint32_t unmapped_tei = to->tei_orig;
set_tei(p, unmapped_tei);
LOG(LOGL_DEBUG, "Unmapped TEI coming from: %s\n",
gtphub_tunnel_str(*unmapped_from_tun));
/* May be NULL for an invalidated tunnel. */
*to_port_p = to->peer;