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authorEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
committerEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
commitabcea2c322cef559ef2f108b4763d107a5ccc37f (patch)
tree5fec7fec372f9bdb70703f6c77bfc49cda945442 /kernel/irq/numa_migrate.c
parent8118aea23c328fd4913b325af53fda9d530b1d56 (diff)
parent6d831c6554e4f95083919914955a1a3a4a6acfa9 (diff)
Merge branch 'devel' of ssh://master.kernel.org/home/rmk/linux-2.6-arm into devel
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 ecf765c6a77a..acd88356ac76 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);