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cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()

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[ Upstream commit 91fda1f88c0968f1491ab150bb01690525af150a ]

pci_get_device() will increase the reference count for the returned
pci_dev. We need to use pci_dev_put() to decrease the reference count
after using pci_get_device(). Let's add it.

Fixes: 59a3b3a8db ("cpufreq: AMD: Ignore the check for ProcFeedback in ST/CZ")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiongfeng Wang 2022-11-16 19:33:39 +08:00 committed by Greg Kroah-Hartman
parent d25bf9af86
commit 75940697c0
1 changed files with 2 additions and 0 deletions
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2
drivers/cpufreq/amd_freq_sensitivity.c
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@ -124,6 +124,8 @@ static int __init amd_freq_sensitivity_init(void)
if (!pcidev) {
if (!boot_cpu_has(X86_FEATURE_PROC_FEEDBACK))
return -ENODEV;
} else {
pci_dev_put(pcidev);
}
if (rdmsrl_safe(MSR_AMD64_FREQ_SENSITIVITY_ACTUAL, &val))