[PATCH v2 07/26] ia64, irq: Add dummy create_irq_nr()

Yinghai Lu
2013-02-08T19:28:55Z

create_irq() will return -1 when fail to allocate.
create_irq_nr() will return 0 when fail to allocate.

Will use it to fix one return vaule checking for dmar_msi irq.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
---
arch/ia64/kernel/irq_ia64.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 1034884..38e46df 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -429,6 +429,16 @@ int create_irq(void)
return irq;
}

+unsigned int create_irq_nr(unsigned int from, int node)
+{
+ int irq = create_irq();
+
+ if (irq < 0)
+ irq = 0;
+
+ return irq;
+}
+
void destroy_irq(unsigned int irq)
{
dynamic_irq_cleanup(irq);
--
1.7.10.4