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hwmon: (fam15h_power) Correct sign extension of running_avg_capture
Wrong bit was used for sign extension which caused wrong end results. Thanks to Andre for spotting this bug. Reported-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: stable@vger.kernel.org
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@ -60,7 +60,7 @@ static ssize_t show_power(struct device *dev,
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pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
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REG_TDP_RUNNING_AVERAGE, &val);
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running_avg_capture = (val >> 4) & 0x3fffff;
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running_avg_capture = sign_extend32(running_avg_capture, 22);
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running_avg_capture = sign_extend32(running_avg_capture, 21);
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running_avg_range = val & 0xf;
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pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
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