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iommu/amd: Fix pci device refcount leak in ppr_notifier()
[ Upstream commit 6cf0981 ] 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: daae2d2 ("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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