Add a comment to explain why we're not disabling port's multicast when it
goes in blocking state. Since there's a check in the timer's function which
bypasses the timer if the port's in blocking/disabled state, the timer will
simply expire and stop without sending more queries.
Suggested-by: Herbert Xu <herb...@gondor.apana.org.au>
Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
net/bridge/br_stp.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index e7ab74b405a1..b4b6dab9c285 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -463,6 +463,10 @@ void br_port_state_selection(struct net_bridge *br)
if (p->state != BR_STATE_BLOCKING)
br_multicast_enable_port(p);
+ /* Multicast is not disabled for the port when it goes in
+ * blocking state because the timers will expire and stop by
+ * themselves without sending more queries.
+ */
if (p->state == BR_STATE_FORWARDING)
++liveports;
}
--
1.9.1
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