Re: [PATCH] NVMe: Fix error handling of class_create("nvme")

[Matthew Wilcox]

On Tue, Mar 10, 2015 at 12:18:22PM -0700, J Freyensee wrote:
> Looking at IS_ERR(), it uses IS_ERR_VALUE() which uses unlikely(), which
> from what I understand is a compiler hint that means "this error is
> unlikely to happen".
> 
> Well, is this error unlikely to happen?  Looks like the error could be

Yes.  All errors are, by definition, unlikely to happen.
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