| Message ID | 20221116113339.177740-1-wangxiongfeng2@huawei.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Headers | show |
| Series | cpufreq: amd_freq_sensitivity: Add missing pci_dev_put() | expand |
On Wed, Nov 16, 2022 at 12:15 PM Xiongfeng Wang <wangxiongfeng2@huawei.com> wrote: > > 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> > --- > 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 6448e03bcf48..59b19b9975e8 100644 > --- a/drivers/cpufreq/amd_freq_sensitivity.c > +++ b/drivers/cpufreq/amd_freq_sensitivity.c > @@ -125,6 +125,8 @@ 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)) > -- Applied as 6.2 material, thanks!
diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c index 6448e03bcf48..59b19b9975e8 100644 --- a/drivers/cpufreq/amd_freq_sensitivity.c +++ b/drivers/cpufreq/amd_freq_sensitivity.c @@ -125,6 +125,8 @@ 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))
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> --- drivers/cpufreq/amd_freq_sensitivity.c | 2 ++ 1 file changed, 2 insertions(+)