On Fri, Mar 14, 2014 at 12:13:52PM +0100, Hannes Reinecke wrote: > Starting multipath on a cciss device will cause a kernel > warning to be triggered. Problem is that we're using the > ->queuedata field of the request_queue to derefence the > scsi device; however, for other (non-SCSI) devices this > points to a totally different structure. > So we should rather be using accessors here which make > sure we're only returning valid SCSI device structures. > > Signed-off-by: Hannes Reinecke <hare@xxxxxxx> Looks reasonable to me as a short term fix. Long ter mwe should stop calling into scsi-specific code directly from the DM code. Reviewed-by: Christoph Hellwig <hch@xxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html