From: Jon Maloy <jon.maloy@ericsson.com>
Date: Mon, 8 Jan 2018 20:03:25 +0000 (+0100)
Subject: tipc: adjustment to group member FSM
X-Git-Tag: v4.16-rc1~123^2~204^2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0233493a5fad227645f7f02539cb42db72e76030;p=linux.git

tipc: adjustment to group member FSM

Analysis reveals that the member state MBR_QURANTINED in reality is
unnecessary, and can be replaced by the state MBR_JOINING at all
occurrencs.

Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/tipc/group.c b/net/tipc/group.c
index 652fa66a87f6..a352e098f0e7 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -49,7 +49,6 @@
 #define ADV_ACTIVE (ADV_UNIT * 12)
 
 enum mbr_state {
-	MBR_QUARANTINED,
 	MBR_DISCOVERED,
 	MBR_JOINING,
 	MBR_PUBLISHED,
@@ -138,7 +137,7 @@ u16 tipc_group_bc_snd_nxt(struct tipc_group *grp)
 
 static bool tipc_group_is_receiver(struct tipc_member *m)
 {
-	return m->state != MBR_QUARANTINED && m->state != MBR_LEAVING;
+	return m && m->state != MBR_JOINING && m->state != MBR_LEAVING;
 }
 
 static bool tipc_group_is_sender(struct tipc_member *m)
@@ -690,7 +689,7 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
 	case GRP_JOIN_MSG:
 		if (!m)
 			m = tipc_group_create_member(grp, node, port,
-						     MBR_QUARANTINED);
+						     MBR_JOINING);
 		if (!m)
 			return;
 		m->bc_syncpt = msg_grp_bc_syncpt(hdr);