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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-06-23 02:05:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:07 -0700 |
| commit | 626ab0e69d376fa07599af669af8ba92d58e87c1 (patch) | |
| tree | a995e0231e61fab63568bc7bade81dc20c1dae09 /net/core/link_watch.c | |
| parent | 54e73770357142e297c916c7865f5fca7499f69c (diff) | |
| download | blackbird-op-linux-626ab0e69d376fa07599af669af8ba92d58e87c1.tar.gz blackbird-op-linux-626ab0e69d376fa07599af669af8ba92d58e87c1.zip | |
[PATCH] list: use list_replace_init() instead of list_splice_init()
list_splice_init(list, head) does unneeded job if it is known that
list_empty(head) == 1. We can use list_replace_init() instead.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'net/core/link_watch.c')
| -rw-r--r-- | net/core/link_watch.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 646937cc2d84..0f37266411b5 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -91,11 +91,10 @@ static void rfc2863_policy(struct net_device *dev) /* Must be called with the rtnl semaphore held */ void linkwatch_run_queue(void) { - LIST_HEAD(head); - struct list_head *n, *next; + struct list_head head, *n, *next; spin_lock_irq(&lweventlist_lock); - list_splice_init(&lweventlist, &head); + list_replace_init(&lweventlist, &head); spin_unlock_irq(&lweventlist_lock); list_for_each_safe(n, next, &head) { |
