From: Xiongfeng Wang wangxiongfeng2@huawei.com
[ 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: 59a3b3a8db16 ("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 --- drivers/cpufreq/amd_freq_sensitivity.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c index 4b4f128c3488..cacd4c67d9be 100644 --- a/drivers/cpufreq/amd_freq_sensitivity.c +++ b/drivers/cpufreq/amd_freq_sensitivity.c @@ -122,6 +122,8 @@ static int __init amd_freq_sensitivity_init(void) if (!pcidev) { if (!static_cpu_has(X86_FEATURE_PROC_FEEDBACK)) return -ENODEV; + } else { + pci_dev_put(pcidev); }
if (rdmsrl_safe(MSR_AMD64_FREQ_SENSITIVITY_ACTUAL, &val))