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ACPI: check a return value correctly in acpi_power_get_context()
We should check *resource != NULL rather than resource != NULL, which will be always true. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -121,7 +121,7 @@ acpi_power_get_context(acpi_handle handle,
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}
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*resource = acpi_driver_data(device);
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if (!resource)
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if (!*resource)
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return -ENODEV;
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return 0;
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