On Thu, Jun 29, 2017 at 04:09:38PM +0200, Heinz Mauelshagen wrote: > > Hi Hannes, > > thanks for your patch. > > BUG() is intentional there to catch what I've already fixed with patch > > " [PATCH] dm raid: fix oops on upgrading to extended superblock > format" > > on 06/23/2017. > > IOW: returning 0 is never right and would hide bugs like that one fixed. OTOH panicing systems to catch errors which could've been mitigted is never right as well. Not a single time. Never. BUG() and BUG_ON() are not for error handling. -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel