aboutsummaryrefslogtreecommitdiffstats
path: root/net/bridge/br_stp.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2013-10-07 10:43:04 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-10-07 10:43:04 -0400
commita56e74f546b64be93731e42d83baf5b538cc1b11 (patch)
tree18f6dee45d801e57ac9db2a31664b0d5c0762c50 /net/bridge/br_stp.c
parentd08e2e09042bd3f7ef66a35cb4bb92794ab26bb2 (diff)
parente4e7f10bfc4069925e99cc4b428c3434e30b6c3f (diff)
Merge branch 'arm-aesbs' of git://git.linaro.org/people/ardbiesheuvel/linux-arm into devel-stable
Diffstat (limited to 'net/bridge/br_stp.c')
-rw-r--r--net/bridge/br_stp.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 1c0a50f13229..3c86f0538cbb 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -209,7 +209,7 @@ static void br_record_config_information(struct net_bridge_port *p,
209 p->designated_age = jiffies - bpdu->message_age; 209 p->designated_age = jiffies - bpdu->message_age;
210 210
211 mod_timer(&p->message_age_timer, jiffies 211 mod_timer(&p->message_age_timer, jiffies
212 + (p->br->max_age - bpdu->message_age)); 212 + (bpdu->max_age - bpdu->message_age));
213} 213}
214 214
215/* called under bridge lock */ 215/* called under bridge lock */
@@ -544,18 +544,27 @@ int br_set_max_age(struct net_bridge *br, unsigned long val)
544 544
545} 545}
546 546
547void __br_set_forward_delay(struct net_bridge *br, unsigned long t)
548{
549 br->bridge_forward_delay = t;
550 if (br_is_root_bridge(br))
551 br->forward_delay = br->bridge_forward_delay;
552}
553
547int br_set_forward_delay(struct net_bridge *br, unsigned long val) 554int br_set_forward_delay(struct net_bridge *br, unsigned long val)
548{ 555{
549 unsigned long t = clock_t_to_jiffies(val); 556 unsigned long t = clock_t_to_jiffies(val);
557 int err = -ERANGE;
550 558
559 spin_lock_bh(&br->lock);
551 if (br->stp_enabled != BR_NO_STP && 560 if (br->stp_enabled != BR_NO_STP &&
552 (t < BR_MIN_FORWARD_DELAY || t > BR_MAX_FORWARD_DELAY)) 561 (t < BR_MIN_FORWARD_DELAY || t > BR_MAX_FORWARD_DELAY))
553 return -ERANGE; 562 goto unlock;
554 563
555 spin_lock_bh(&br->lock); 564 __br_set_forward_delay(br, t);
556 br->bridge_forward_delay = t; 565 err = 0;
557 if (br_is_root_bridge(br)) 566
558 br->forward_delay = br->bridge_forward_delay; 567unlock:
559 spin_unlock_bh(&br->lock); 568 spin_unlock_bh(&br->lock);
560 return 0; 569 return err;
561} 570}