From: Chris Wright <chrisw@sous-sol.org>
Date: Wed, 13 May 2009 22:55:52 +0000 (-0700)
Subject: intel-iommu: dmar_set_interrupt return error value
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dd7264355a203c3456dbba04db471947d3b55e7e;p=linux-beck.git

intel-iommu: dmar_set_interrupt return error value

dmar_set_interrupt feigns success when arch_setup_dmar_msi
fails, return error value.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index faf77a00cafe..f23460a5d106 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -1088,7 +1088,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu)
 		set_irq_data(irq, NULL);
 		iommu->irq = 0;
 		destroy_irq(irq);
-		return 0;
+		return ret;
 	}
 
 	ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu);