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9368aa1882
Since 315bada690e0 ("EDAC: Check for GHES preference in the chipset-specific EDAC drivers"), vendor specific EDAC driver will not probe correctly when CONFIG_ACPI_APEI_GHES is enabled but no GHES device is present. Make ghes_get_devices() return NULL when the GHES device list is empty to fix the problem. Fixes: 9057a3f7ac36 ("EDAC/ghes: Prepare to make ghes_edac a proper module") Signed-off-by: Li Yang <leoyang.li@nxp.com> Reviewed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>