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由 Prarit Bhargava 提交于
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: NPrarit Bhargava <prarit@redhat.com> Cc: Matthew Garrett <matthew.garrett@nebula.com> Signed-off-by: NMatthew Garrett <matthew.garrett@nebula.com>
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