aboutsummaryrefslogtreecommitdiff
path: root/net/tipc/handler.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-02-03 15:32:45 -0200
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-02-03 15:32:45 -0200
commitc29b8f3149f2916e98fc3b8d6c1df2137d003979 (patch)
treeaf6b4e876c732daaafb59781836bfce9715d21c2 /net/tipc/handler.c
parent587d1b06e07b4a079453c74ba9edf17d21931049 (diff)
parent38dbfb59d1175ef458d006556061adeaa8751b72 (diff)
Merge tag 'v3.14-rc1' into patchwork
Linus 3.14-rc1 * tag 'v3.14-rc1': (11781 commits) Linus 3.14-rc1 hpfs: optimize quad buffer loading hpfs: remember free space parisc: add flexible mmap memory layout support parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc parisc: convert uapi/asm/stat.h to use native types only parisc: wire up sched_setattr and sched_getattr parisc: fix cache-flushing parisc/sti_console: prefer Linux fonts over built-in ROM fonts hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors tools/power turbostat: introduce -s to dump counters tools/power turbostat: remove unused command line option afs: proc cells and rootcell are writeable tile: remove compat_sys_lookup_dcookie declaration to fix compile error Revert "PCI: Remove from bus_list and release resources in pci_release_dev()" ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA ARM: multi_v7_defconfig: add mvebu drivers clocksource: kona: Add basic use of external clock drivers: bus: fix CCI driver kcalloc call parameters swap ...
Diffstat (limited to 'net/tipc/handler.c')
-rw-r--r--net/tipc/handler.c11
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);