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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-11-18 17:36:04 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-11-19 11:00:29 +0100 |
| commit | 6cf0981c2233f97d56938d9d61845383d6eb227c (patch) | |
| tree | 96efb3dd336803f13782da5888c3e52b289f929c /drivers/iommu | |
| parent | 1198d2316dc4265a97d0e8445a22c7a6d17580a4 (diff) | |
| download | linux-6cf0981c2233f97d56938d9d61845383d6eb227c.tar.gz linux-6cf0981c2233f97d56938d9d61845383d6eb227c.tar.bz2 linux-6cf0981c2233f97d56938d9d61845383d6eb227c.zip | |
iommu/amd: Fix pci device refcount leak in ppr_notifier()
As comment of pci_get_domain_bus_and_slot() says, it returns
a pci device with refcount increment, when finish using it,
the caller must decrement the reference count by calling
pci_dev_put(). So call it before returning from ppr_notifier()
to avoid refcount leak.
Fixes: daae2d25a477 ("iommu/amd: Don't copy GCR3 table root pointer")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221118093604.216371-1-yangyingliang@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/iommu_v2.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c index 6a1f02c62dff..9f7fab49a5a9 100644 --- a/drivers/iommu/amd/iommu_v2.c +++ b/drivers/iommu/amd/iommu_v2.c @@ -587,6 +587,7 @@ out_drop_state: put_device_state(dev_state); out: + pci_dev_put(pdev); return ret; } |