linux-kernel - [PATCH -next] iommu/amd: fix error return code in early_amd_iommu

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Message-ID: <CAPgLHd9shRmpq__avgWPupFvcY2LNuEtPs9bG=AVpBx7BpLZTw@mail.gmail.com>
Date:	Tue, 23 Apr 2013 10:47:44 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	joro@...tes.org
Cc:	yongjun_wei@...ndmicro.com.cn, iommu@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH -next] iommu/amd: fix error return code in early_amd_iommu_init()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return -ENOMEM int the memory alloc error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/iommu/amd_iommu_init.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 9110c1c..a55ec50 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1860,6 +1860,7 @@ static int __init early_amd_iommu_init(void)
 		 * Interrupt remapping enabled, create kmem_cache for the
 		 * remapping tables.
 		 */
+		ret = -ENOMEM;
 		amd_iommu_irq_cache = kmem_cache_create("irq_remap_cache",
 				MAX_IRQS_PER_TABLE * sizeof(u32),
 				IRQ_TABLE_ALIGNMENT,

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