* [PATCH v4 09/28] ia64, irq: Add dummy create_irq_nr()
[not found] <1376189294-32022-1-git-send-email-yinghai@kernel.org>
@ 2013-08-11 2:47 ` Yinghai Lu
0 siblings, 0 replies; only message in thread
From: Yinghai Lu @ 2013-08-11 2:47 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar, H. Peter Anvin, Tony Luck,
Bjorn Helgaas, Rafael J. Wysocki
Cc: linux-pci, linux-kernel, linux-acpi, Yinghai Lu, Fenghua Yu,
linux-ia64, stable
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 value checking for dmar_msi irq.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Cc: stable@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);
--
1.8.1.4
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