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drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()
[ Upstream commit725a521a18
] 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 radeon_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:d8ade3526b
("drm/radeon: handle non-VGA class pci devices with ATRM") Fixes:c61e277587
("drm/radeon: split ATRM support out from the ATPX handler (v3)") Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -227,6 +227,7 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev)
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if (!found)
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return false;
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pci_dev_put(pdev);
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rdev->bios = kmalloc(size, GFP_KERNEL);
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if (!rdev->bios) {
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