summaryrefslogtreecommitdiffstats
path: root/kernel/irq/numa_migrate.c
diff options
context:
space:
mode:
authorFelix Blyakher <felixb@sgi.com>2009-02-09 09:34:45 -0600
committerFelix Blyakher <felixb@sgi.com>2009-02-09 09:34:45 -0600
commitd41d4113f49e16bfab02eff0248282200be21807 (patch)
treeae84803c22a09f138023ef62de73712f324bc62d /kernel/irq/numa_migrate.c
parentb58a4cc51f4f569c6a86979890f9b237a504ab6b (diff)
parentd5b562330ec766292a3ac54ae5e0673610bd5b3d (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/irq/numa_migrate.c')
-rw-r--r--kernel/irq/numa_migrate.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index ecf765c6a77..acd88356ac7 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -71,7 +71,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
desc = irq_desc_ptrs[irq];
if (desc && old_desc != desc)
- goto out_unlock;
+ goto out_unlock;
node = cpu_to_node(cpu);
desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node);
@@ -84,10 +84,15 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
init_copy_one_irq_desc(irq, old_desc, desc, cpu);
irq_desc_ptrs[irq] = desc;
+ spin_unlock_irqrestore(&sparse_irq_lock, flags);
/* free the old one */
free_one_irq_desc(old_desc, desc);
+ spin_unlock(&old_desc->lock);
kfree(old_desc);
+ spin_lock(&desc->lock);
+
+ return desc;
out_unlock:
spin_unlock_irqrestore(&sparse_irq_lock, flags);