On Tue, Jan 20, 2015 at 05:07:19PM +1030, Rusty Russell wrote: > Andrey Tsyvarev <tsyva...@ispras.ru> writes: > > parse_args call module parameters' .set handlers, which may use locks > > defined in the module. > > So, these classes should be freed in case parse_args returns error(e.g. due > > to incorrect parameter passed). > > Thanks, this seems right. Applied. > > But this makes me ask: where is lockdep_free_key_range() called on the > module init code? It doesn't seem to be at all...
Hmm, Ingo, how does this work? The lockless class lookup in look_up_lock_class() very much assumes the class hash is only added too, but here we go wipe stuff from it. >From what I can tell, every use of lockdep_free_key_range() is broken. -- 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/