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drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios()
As comment of pci_get_class() says, it returns a pci_device with its
refcount increased and decreased the refcount for the input parameter
@from if it is not NULL.
If we break the loop in amdgpu_atrm_get_bios() with 'pdev' not NULL, we
need to call pci_dev_put() to decrease the refcount. Add the missing
pci_dev_put() to avoid refcount leak.
Fixes: d38ceaf99e
("drm/amdgpu: add core driver (v4)")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -317,6 +317,7 @@ static bool amdgpu_atrm_get_bios(struct amdgpu_device *adev)
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if (!found)
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return false;
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pci_dev_put(pdev);
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adev->bios = kmalloc(size, GFP_KERNEL);
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if (!adev->bios) {
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