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SubjectRe: [PATCH v2] printk: Userspace format enumeration support
Greg Kroah-Hartman writes:
>How can file ever be NULL?
>And if it is an error, what is the problem here? You can always feed
>the output of a debugfs_* call back into debugfs, and you never need to
>check the return values.

Oh, thanks -- that's helpful to know. Looks like I misread
debugfs_create_{file,dir}. :-)

I'll send v3.

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