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Prarit Bhargava committed a80e1053aaa
x86, wmi fix modalias_show return values I just fixed this same bug in arch/powerpc/kernel/vio.c and took a quick look for other similar errors in the kernel. modalias_show() should return an empty string on error, not errno. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Cc: Matthew Garrett <matthew.garrett@nebula.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>