diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-16 16:11:28 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-16 16:11:28 -0800 |
commit | 138a6d7ea2deb3080116a4f99019e181b62e5ce5 (patch) | |
tree | 424622059405352935fbf1dde015a1e130b56198 /net/tipc/handler.c | |
parent | 4fc6069e7df873bda9baabe0fa9f0be23363159a (diff) | |
parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) |
Merge 3.13-rc4 into char-misc-next
We want these fixes in here.
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 b36f0fcd9bdf..e4bc8a296744 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); |