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authorParthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>2018-09-25 21:56:57 +0200
committerDavid S. Miller <davem@davemloft.net>2018-09-25 20:48:56 -0700
commit94b6ddce71780575fbbf9d2c36afc8440e61a281 (patch)
tree30b302300b0ddf583a6b1d0a517bcdca866bb5fb /net/tipc/bearer.c
parent92ef12b32feab8f277b69e9fb89ede2796777f4d (diff)
downloadlinux-94b6ddce71780575fbbf9d2c36afc8440e61a281.tar.bz2
tipc: reset bearer if device carrier not ok
If we detect that under lying carrier detects errors and goes down, we reset the bearer. Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/bearer.c')
-rw-r--r--net/tipc/bearer.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 418f03d0be90..645c16052052 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -609,16 +609,18 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt,
switch (evt) {
case NETDEV_CHANGE:
- if (netif_carrier_ok(dev))
+ if (netif_carrier_ok(dev) && netif_oper_up(dev)) {
+ test_and_set_bit_lock(0, &b->up);
break;
- /* else: fall through */
- case NETDEV_UP:
- test_and_set_bit_lock(0, &b->up);
- break;
+ }
+ /* fall through */
case NETDEV_GOING_DOWN:
clear_bit_unlock(0, &b->up);
tipc_reset_bearer(net, b);
break;
+ case NETDEV_UP:
+ test_and_set_bit_lock(0, &b->up);
+ break;
case NETDEV_CHANGEMTU:
if (tipc_mtu_bad(dev, 0)) {
bearer_disable(net, b);