tree 3844bdbeeebe378da5804ed7642dcbf427674ed3
parent 1c8e77fb361a4a116a41ac1d9819eb79d068735d
author Jon Maloy <jon.maloy@ericsson.com> 1513764195 +0100
committer David S. Miller <davem@davemloft.net> 1513799808 -0500

tipc: remove joining group member from congested list

When we receive a JOIN message from a peer member, the message may
contain an advertised window value ADV_IDLE that permits removing the
member in question from the tipc_group::congested list. However, since
the removal has been made conditional on that the advertised window is
*not* ADV_IDLE, we miss this case. This has the effect that a sender
sometimes may enter a state of permanent, false, broadcast congestion.

We fix this by unconditinally removing the member from the congested
list before calling tipc_member_update(), which might potentially sort
it into the list again.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>