On Mon, Dec 24, 2012 at 12:39 PM, Greg Kroah-Hartman <gre...@linuxfoundation.org> wrote: > 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...)
Why won't we fix it the other way around and return an actual error code instead of a NULL on failure? Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
