Patchwork [v4,09/28] ia64, irq: Add dummy create_irq_nr()

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Submitter Yinghai Lu
Date Aug. 11, 2013, 2:47 a.m.
Message ID <1376189294-32022-10-git-send-email-yinghai@kernel.org>
Download mbox | patch
Permalink /patch/266307/
State Not Applicable
Headers show

Comments

Yinghai Lu - Aug. 11, 2013, 2:47 a.m.
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(+)

Patch

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);