On Tue, Sep 13, 2022 at 03:06:49PM +0200, Johan Hovold wrote: > On Fri, Sep 02, 2022 at 04:37:15PM +0200, Greg Kroah-Hartman wrote: > > In the greybus audio_helper code, the debugfs file for the dapm has the > > potential to be removed and memory will be leaked. There is also the > > very real potential for this code to remove ALL debugfs entries from the > > system, and it seems like this is what will really happen if this code > > ever runs. This all is very wrong as the greybus audio driver did not > > create this debugfs file, the sound core did and controls the lifespan > > of it. > > Yeah, this looks very broken indeed. > > > So remove all of the debugfs logic from the audio_helper code as there's > > no way it could be correct. If this really is needed, it can come back > > with a fixup for the incorrect usage of the debugfs_lookup() call which > > is what caused this to be noticed at all. > > > Cc: Johan Hovold <johan@xxxxxxxxxx> > > Cc: Alex Elder <elder@xxxxxxxxxx> > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Cc: greybus-dev@xxxxxxxxxxxxxxxx > > Cc: linux-staging@xxxxxxxxxxxxxxx > > Cc: stable <stable@xxxxxxxxxx> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > I know this has already been applied, but still: > > Acked-by: Johan Hovold <johan@xxxxxxxxxx> Thanks for the review, much appreciated. greg k-h
