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authorMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
committerMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
commit68066bb378a0504439e046cdb55d88362eb6379d (patch)
tree0b60f72ddf7108a63dd4db617b42e07fbae5346d /net/tipc
parent43f627ac9de42607b2cdcc7a41f2bcc82187e06a (diff)
parent802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff)
Merge tag 'v3.13-rc6' into spi-dw
To resolve trivial overlaps with fixes. Linux 3.13-rc6
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/core.c7
-rw-r--r--net/tipc/handler.c11
2 files changed, 12 insertions, 6 deletions
diff --git a/net/tipc/core.c b/net/tipc/core.c
index fd4eeeaa972..c6d3f75a9e1 100644
--- a/net/tipc/core.c
+++ b/net/tipc/core.c
@@ -113,7 +113,6 @@ err:
static void tipc_core_stop(void)
{
tipc_netlink_stop();
- tipc_handler_stop();
tipc_cfg_stop();
tipc_subscr_stop();
tipc_nametbl_stop();
@@ -146,9 +145,10 @@ static int tipc_core_start(void)
res = tipc_subscr_start();
if (!res)
res = tipc_cfg_init();
- if (res)
+ if (res) {
+ tipc_handler_stop();
tipc_core_stop();
-
+ }
return res;
}
@@ -178,6 +178,7 @@ static int __init tipc_init(void)
static void __exit tipc_exit(void)
{
+ tipc_handler_stop();
tipc_core_stop_net();
tipc_core_stop();
pr_info("Deactivated\n");
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);