linux-kernel - [PATCH] iommu/amd: Fix wrong check for ARRAY

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Message-ID: <1344591973-4834-1-git-send-email-joerg.roedel@amd.com>
Date:	Fri, 10 Aug 2012 11:46:13 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	<iommu@...ts.linux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH] iommu/amd: Fix wrong check for ARRAY_SIZE()

The check in the for-loop is broken. Fix it and the
boot-crash it causes in AMD IOMMUv2 systems.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 drivers/iommu/amd_iommu_init.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 0a2ea31..18a89b7 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1111,7 +1111,7 @@ static void print_iommu_info(void)
 
 		if (iommu->cap & (1 << IOMMU_CAP_EFR)) {
 			pr_info("AMD-Vi:  Extended features: ");
-			for (i = 0; ARRAY_SIZE(feat_str); ++i) {
+			for (i = 0; i < ARRAY_SIZE(feat_str); ++i) {
 				if (iommu_feature(iommu, (1ULL << i)))
 					pr_cont(" %s", feat_str[i]);
 			}
-- 
1.7.9.5


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