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SubjectRe: [PATCH] virtio_console: correct error message on failure of debugfs_create_dir
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On Friday 21 December 2012, Amit Shah wrote:
> On (Thu) 20 Dec 2012 [14:11:21], Sasha Levin wrote:
> > debugfs_create_dir() returns NULL if it fails, there's little point in
> > calling PTR_ERR on it.
>
> debugfs_create_dir() does return an error value if debugfs is not
> enabled.
>
> This check for !pdrvdata.debugfs_dir should infact use
> IS_ERR_OR_NULL(). Care to submit a patch for that?

How about we fix the stub instead to return NULL when debugfs is disabled?

Arnd


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