From: Jiang Liu <jiang.liu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
Vinod Koul <vinod.koul@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
Yijing Wang <wangyijing@huawei.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Cc: Jiang Liu <jiang.liu@linux.intel.com>,
Tony Luck <tony.luck@intel.com>, Yinghai Lu <yinghai@kernel.org>,
linux-pci@vger.kernel.org, dmaengine@vger.kernel.org
Subject: [Patch Part1 V2 04/20] iommu/vt-d: fix resource leakage on error recovery path in iommu_init_domains()
Date: Fri, 6 Dec 2013 11:21:07 +0800 [thread overview]
Message-ID: <1386300083-6882-5-git-send-email-jiang.liu@linux.intel.com> (raw)
In-Reply-To: <1386300083-6882-1-git-send-email-jiang.liu@linux.intel.com>
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(+)
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;
}
--
1.7.10.4
next prev parent reply other threads:[~2013-12-06 3:20 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-06 3:21 [Patch Part1 V2 00/20] Bugfixes and improvements for Intel IOMMU drivers Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 01/20] iommu/vt-d: use dedicated bitmap to track remapping entry allocation status Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 02/20] iommu/vt-d: fix PCI device reference leakage on error recovery path Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 03/20] iommu/vt-d: fix a race window in allocating domain ID for virtual machines Jiang Liu
2013-12-06 3:21 ` Jiang Liu [this message]
2013-12-06 3:21 ` [Patch Part1 V2 05/20] iommu/vt-d, trivial: refine support of 64bit guest address Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 06/20] iommu/vt-d, trivial: print correct domain id of static identity domain Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 07/20] iommu/vt-d, trivial: check suitable flag in function detect_intel_iommu() Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 08/20] iommu/vt-d, trivial: clean up unused code Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 09/20] iommu/vt-d: mark internal functions as static Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 10/20] iommu/vt-d, trivial: use defined macro instead of hardcoding Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 11/20] iommu/vt-d, trivial: simplify code with existing macros Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 12/20] iommu/vt-d: fix invalid memory access when freeing DMAR irq Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 13/20] iommu/vt-d: keep shared resources when failed to initialize iommu devices Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 14/20] iommu/vt-d: avoid double free in error recovery path Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 15/20] iommu/vt-d: fix access after free issue in function free_dmar_iommu() Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 16/20] iommu/vt-d: release invalidation queue when destroying IOMMU unit Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 17/20] iommu/vt-d: fix wrong return value of dmar_table_init() Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 18/20] iommu/vt-d, PCI, trivial: use dev_is_pci() instead of hardcoding Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 19/20] iommu/vt-d, trivial: clean sparse warnings Jiang Liu
2013-12-06 3:21 ` [Patch Part1 V2 20/20] iommu/vt-d: free all resources if failed to initialize DMARs Jiang Liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1386300083-6882-5-git-send-email-jiang.liu@linux.intel.com \
--to=jiang.liu@linux.intel.com \
--cc=ashok.raj@intel.com \
--cc=dan.j.williams@intel.com \
--cc=dmaengine@vger.kernel.org \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=tony.luck@intel.com \
--cc=vinod.koul@intel.com \
--cc=wangyijing@huawei.com \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).