diff options
author | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:40 +0200 |
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committer | Johannes Berg <johannes.berg@intel.com> | 2017-06-08 14:14:45 +0200 |
commit | a43e61842ec55baa486d60eed2a19af67ba78b9f (patch) | |
tree | 6c3c93f19e3933273b73b9edd16edc146ab18527 /net/rxrpc/input.c | |
parent | 5d473fedd17ae3a9f92fb35551e307d01459ea6a (diff) | |
parent | 50dffe7fad6c156c2928e45c19ff7b86eb951f4c (diff) | |
download | linux-a43e61842ec55baa486d60eed2a19af67ba78b9f.tar.bz2 |
Merge remote-tracking branch 'net-next/master' into mac80211-next
This brings in commit 7a7c0a6438b8 ("mac80211: fix TX aggregation
start/stop callback race") to allow the follow-up cleanup.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/rxrpc/input.c')
-rw-r--r-- | net/rxrpc/input.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 45dba732a3b4..e56e23ed2229 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -1142,6 +1142,13 @@ void rxrpc_data_ready(struct sock *udp_sk) if (sp->hdr.securityIndex != conn->security_ix) goto wrong_security; + if (sp->hdr.serviceId != conn->service_id) { + if (!test_bit(RXRPC_CONN_PROBING_FOR_UPGRADE, &conn->flags) || + conn->service_id != conn->params.service_id) + goto reupgrade; + conn->service_id = sp->hdr.serviceId; + } + if (sp->hdr.callNumber == 0) { /* Connection-level packet */ _debug("CONN %p {%d}", conn, conn->debug_id); @@ -1194,6 +1201,9 @@ void rxrpc_data_ready(struct sock *udp_sk) rxrpc_input_implicit_end_call(conn, call); call = NULL; } + + if (call && sp->hdr.serviceId != call->service_id) + call->service_id = sp->hdr.serviceId; } else { skew = 0; call = NULL; @@ -1237,11 +1247,18 @@ wrong_security: skb->priority = RXKADINCONSISTENCY; goto post_abort; +reupgrade: + rcu_read_unlock(); + trace_rxrpc_abort("UPG", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq, + RX_PROTOCOL_ERROR, EBADMSG); + goto protocol_error; + bad_message_unlock: rcu_read_unlock(); bad_message: trace_rxrpc_abort("BAD", sp->hdr.cid, sp->hdr.callNumber, sp->hdr.seq, RX_PROTOCOL_ERROR, EBADMSG); +protocol_error: skb->priority = RX_PROTOCOL_ERROR; post_abort: skb->mark = RXRPC_SKB_MARK_LOCAL_ABORT; |