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iommu/vt-d: Fix reference count in iommu_prepare_isa
Decrease the device reference count avoid memory leak. Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -2403,6 +2403,7 @@ static inline void iommu_prepare_isa(void)
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printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; "
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"floppy might not work\n");
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pci_dev_put(pdev);
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}
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#else
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static inline void iommu_prepare_isa(void)
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