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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 11:13:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-30 11:13:15 +0300
commitc88b94a9f43cecdeae4fa3d30cadd9a3f604372f (patch)
tree113aea97fed1f08e0b5c9603c43fe1e147b68474 /net/tipc/discover.c
parent38c6aa2175c35358d01c29266000d26c78af9e36 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
downloadlinux-c88b94a9f43cecdeae4fa3d30cadd9a3f604372f.tar.xz
Merge 4.18-rc7 into staging-next
We want the staging changes in here for testing and merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/tipc/discover.c')
-rw-r--r--net/tipc/discover.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/net/tipc/discover.c b/net/tipc/discover.c
index 9f666e0650e2..2830709957bd 100644
--- a/net/tipc/discover.c
+++ b/net/tipc/discover.c
@@ -133,6 +133,8 @@ static void disc_dupl_alert(struct tipc_bearer *b, u32 node_addr,
}
/* tipc_disc_addr_trial(): - handle an address uniqueness trial from peer
+ * Returns true if message should be dropped by caller, i.e., if it is a
+ * trial message or we are inside trial period. Otherwise false.
*/
static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d,
struct tipc_media_addr *maddr,
@@ -168,8 +170,9 @@ static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d,
msg_set_type(buf_msg(d->skb), DSC_REQ_MSG);
}
+ /* Accept regular link requests/responses only after trial period */
if (mtyp != DSC_TRIAL_MSG)
- return false;
+ return trial;
sugg_addr = tipc_node_try_addr(net, peer_id, src);
if (sugg_addr)
@@ -284,7 +287,6 @@ static void tipc_disc_timeout(struct timer_list *t)
{
struct tipc_discoverer *d = from_timer(d, t, timer);
struct tipc_net *tn = tipc_net(d->net);
- u32 self = tipc_own_addr(d->net);
struct tipc_media_addr maddr;
struct sk_buff *skb = NULL;
struct net *net = d->net;
@@ -298,12 +300,14 @@ static void tipc_disc_timeout(struct timer_list *t)
goto exit;
}
- /* Did we just leave the address trial period ? */
- if (!self && !time_before(jiffies, tn->addr_trial_end)) {
- self = tn->trial_addr;
- tipc_net_finalize(net, self);
- msg_set_prevnode(buf_msg(d->skb), self);
+ /* Trial period over ? */
+ if (!time_before(jiffies, tn->addr_trial_end)) {
+ /* Did we just leave it ? */
+ if (!tipc_own_addr(net))
+ tipc_net_finalize(net, tn->trial_addr);
+
msg_set_type(buf_msg(d->skb), DSC_REQ_MSG);
+ msg_set_prevnode(buf_msg(d->skb), tipc_own_addr(net));
}
/* Adjust timeout interval according to discovery phase */