linux-kernel - [tip:x86/debug] x86/iommu: Use NULL instead of plain 0 for __IOMMU

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Date:	Wed, 5 Sep 2012 04:00:05 -0700
From:	tip-bot for Mathias Krause <minipli@...glemail.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	joerg.roedel@....com, minipli@...glemail.com, tglx@...utronix.de
Subject: [tip:x86/debug] x86/iommu:
  Use NULL instead of plain 0 for __IOMMU_INIT

Commit-ID:  ae13b7b4e041eccf34fa4dd58581fe1441375578
Gitweb:     http://git.kernel.org/tip/ae13b7b4e041eccf34fa4dd58581fe1441375578
Author:     Mathias Krause <minipli@...glemail.com>
AuthorDate: Sun, 2 Sep 2012 23:31:46 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 5 Sep 2012 10:52:26 +0200

x86/iommu: Use NULL instead of plain 0 for __IOMMU_INIT

IOMMU_INIT_POST and IOMMU_INIT_POST_FINISH pass the plain value
0 instead of NULL to __IOMMU_INIT. Fix this and make sparse
happy by doing so.

Signed-off-by: Mathias Krause <minipli@...glemail.com>
Cc: Joerg Roedel <joerg.roedel@....com>
Link: http://lkml.kernel.org/r/1346621506-30857-8-git-send-email-minipli@googlemail.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/iommu_table.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/iommu_table.h b/arch/x86/include/asm/iommu_table.h
index bbf8fb2..f42a047 100644
--- a/arch/x86/include/asm/iommu_table.h
+++ b/arch/x86/include/asm/iommu_table.h
@@ -63,10 +63,10 @@ struct iommu_table_entry {
  * to stop detecting the other IOMMUs after yours has been detected.
  */
 #define IOMMU_INIT_POST(_detect)					\
-	__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb,  0, 0, 0)
+	__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb,  NULL, NULL, 0)
 
 #define IOMMU_INIT_POST_FINISH(detect)					\
-	__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb,  0, 0, 1)
+	__IOMMU_INIT(_detect, pci_swiotlb_detect_4gb,  NULL, NULL, 1)
 
 /*
  * A more sophisticated version of IOMMU_INIT. This variant requires:
--
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