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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-12-30 01:53:57 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-12-30 01:53:57 +0100 |
| commit | fbd22402164e687fd1be9a1372ee4f6b9373c860 (patch) | |
| tree | fd86c8b2f8ed120a2229a1de7959f0d4e56c8008 /net/tipc/handler.c | |
| parent | f78c4cffb86a9f1732674d810ac338cd694b1885 (diff) | |
| parent | c606850407d9096415e226c75a871d0650404446 (diff) | |
Merge back earlier 'pm-sleep' material.
Diffstat (limited to 'net/tipc/handler.c')
| -rw-r--r-- | net/tipc/handler.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/tipc/handler.c b/net/tipc/handler.c index b36f0fcd9bd..e4bc8a29674 100644 --- a/net/tipc/handler.c +++ b/net/tipc/handler.c @@ -56,12 +56,13 @@ unsigned int tipc_k_signal(Handler routine, unsigned long argument) { struct queue_item *item; + spin_lock_bh(&qitem_lock); if (!handler_enabled) { pr_err("Signal request ignored by handler\n"); + spin_unlock_bh(&qitem_lock); return -ENOPROTOOPT; } - spin_lock_bh(&qitem_lock); item = kmem_cache_alloc(tipc_queue_item_cache, GFP_ATOMIC); if (!item) { pr_err("Signal queue out of memory\n"); @@ -112,10 +113,14 @@ void tipc_handler_stop(void) struct list_head *l, *n; struct queue_item *item; - if (!handler_enabled) + spin_lock_bh(&qitem_lock); + if (!handler_enabled) { + spin_unlock_bh(&qitem_lock); return; - + } handler_enabled = 0; + spin_unlock_bh(&qitem_lock); + tasklet_kill(&tipc_tasklet); spin_lock_bh(&qitem_lock); |