From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 23 Apr 2013 02:47:44 +0000 (+0800)
Subject: iommu/amd: fix error return code in early_amd_iommu_init()
X-Git-Tag: firefly_0821_release~3680^2~562^2^2
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=83ed9c13e37e352b5a16caca01798c2766d91c29;p=firefly-linux-kernel-4.4.55.git

iommu/amd: fix error return code in early_amd_iommu_init()

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@trendmicro.com.cn>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
---

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 3d3d6cd52d47..9d23552a9619 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,