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platform/x86/amd: Fix refcount leak in amd_pmc_probe 

[ Upstream commit ccb32e2be1 ]

pci_get_domain_bus_and_slot() takes reference, the caller should release
the reference by calling pci_dev_put() after use. Call pci_dev_put() in
the error path to fix this.

Fixes: 3d7d407dfb ("platform/x86: amd-pmc: Add support for AMD Spill to DRAM STB feature")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20221229072534.1381432-1-linmq006@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-12-29 11:25:33 +04:00 committed by Greg Kroah-Hartman
parent 50b3cdf823
commit 3944162821
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/x86/amd/pmc.c
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@ -932,7 +932,7 @@ static int amd_pmc_probe(struct platform_device *pdev)
if (enable_stb && (dev->cpu_id == AMD_CPU_ID_YC || dev->cpu_id == AMD_CPU_ID_CB)) {
err = amd_pmc_s2d_init(dev);
if (err)
return err;
goto err_pci_dev_put;
}
platform_set_drvdata(pdev, dev);