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[Part1,V2,04/20] iommu/vt-d: fix resource leakage on error recovery path in iommu_init_domains()

Message ID 1386300083-6882-5-git-send-email-jiang.liu@linux.intel.com
State Not Applicable
Headers show

Commit Message

Jiang Liu Dec. 6, 2013, 3:21 a.m. UTC 
Release allocated resources on error recovery path in function
iommu_init_domains().

Acked-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
 drivers/iommu/intel-iommu.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b8e3b48..2398876 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1273,6 +1273,8 @@  static int iommu_init_domains(struct intel_iommu *iommu)
 			GFP_KERNEL);
 	if (!iommu->domains) {
 		printk(KERN_ERR "Allocating domain array failed\n");
+		kfree(iommu->domain_ids);
+		iommu->domain_ids = NULL;
 		return -ENOMEM;
 	}