diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-05-09 02:22:43 -0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-05-11 02:45:11 -0400 |
commit | db0ccffed91e234cad99a35f07d5a322f410baa2 (patch) | |
tree | a83a513181ec767ad533ca30d06837eb107961b7 /net | |
parent | 4cd8c9e87be7ea891050ff1bebbf767a837eb5cf (diff) |
[NET] link_watch: Eliminate potential delay on wrap-around
When the jiffies wrap around or when the system boots up for the first
time, down events can be delayed indefinitely since we no longer
update linkwatch_nextevent when only urgent events are processed.
This patch fixes this by setting linkwatch_nextevent when a
wrap-around occurs.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/core/link_watch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/link_watch.c b/net/core/link_watch.c index b5f45799c2f..4674ae57412 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c | |||
@@ -101,8 +101,10 @@ static void linkwatch_schedule_work(unsigned long delay) | |||
101 | return; | 101 | return; |
102 | 102 | ||
103 | /* If we wrap around we'll delay it by at most HZ. */ | 103 | /* If we wrap around we'll delay it by at most HZ. */ |
104 | if (delay > HZ) | 104 | if (delay > HZ) { |
105 | linkwatch_nextevent = jiffies; | ||
105 | delay = 0; | 106 | delay = 0; |
107 | } | ||
106 | 108 | ||
107 | schedule_delayed_work(&linkwatch_work, delay); | 109 | schedule_delayed_work(&linkwatch_work, delay); |
108 | } | 110 | } |