From: Yang Yingliang <yangyingliang@huawei.com>
To: <iommu@lists.linux-foundation.org>, <linux-kernel@vger.kernel.org>
Cc: yangyingliang@huawei.com
Subject: [PATCH] iommu: fix return error code in iommu_probe_device()
Date: Tue, 17 Nov 2020 10:52:38 +0800 [thread overview]
Message-ID: <20201117025238.3425422-1-yangyingliang@huawei.com> (raw)
If iommu_group_get() failed, it need return error code
in iommu_probe_device().
Fixes: cf193888bfbd ("iommu: Move new probe_device path...")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
drivers/iommu/iommu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b53446bb8c6b..6f4a32df90f6 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -253,8 +253,10 @@ int iommu_probe_device(struct device *dev)
goto err_out;
group = iommu_group_get(dev);
- if (!group)
+ if (!group) {
+ ret = -ENODEV;
goto err_release;
+ }
/*
* Try to allocate a default domain - needs support from the
--
2.25.1
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next reply other threads:[~2020-11-17 3:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-17 2:52 Yang Yingliang [this message]
2020-11-17 9:40 ` [PATCH] iommu: fix return error code in iommu_probe_device() Lu Baolu
2020-11-17 11:11 ` Yang Yingliang
2020-11-17 22:41 ` Will Deacon
2020-11-25 1:54 ` Yang Yingliang
2020-11-25 11:35 ` Will Deacon
2020-11-26 2:29 ` Yang Yingliang
2020-11-26 8:59 ` Will Deacon
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