Messages in this thread | | | Date | Mon, 24 Dec 2012 09:39:37 -0800 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] virtio_console: correct error message on failure of debugfs_create_dir |
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On Mon, Dec 24, 2012 at 11:55:46AM +0000, Arnd Bergmann wrote: > 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?
No, please read debugfs.h for why I decided to not do this (i.e. we try to learn from our mistakes...)
thanks,
greg k-h
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