Re: [RESEND PATCH v2] memory-hotplug: fix store_mem_state() return value

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On Wed, Aug 31, 2016 at 05:28:26PM -0700, David Rientjes wrote:
2. store_mem_state() still needs a tweak, right? It was only returning -EINVAL by accident, due to the convoluted sequence I listed in the patch.

Yes, absolutely.  It returning -EINVAL for "nline" is what is accidently
preserving it's backwards compatibility :)  Note that device_online()
returns 1 if already online and memory_subsys_online() returns 0 if online
in this case.  So we want store_mem_state() to return -EINVAL if
device_online() returns non-zero (this was in my first email).

I'll spin a v3 patch to do this.

Thank you for your review!

--
Reza Arbab

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