On Tue, May 24, 2016 at 08:11:58AM +0200, Hannes Reinecke wrote: > Originally libfc would just be initializing the refcount to '1', > and using the disc_mutex to synchronize if and when the final put > should be happening. > This has a race condition as the mutex might be delayed, causing > other threads to access an invalid structure. > This patch updates the rport reference counting to increase the > reference every time 'rport_lookup' is called, and decreases > the reference correspondingly. > This removes the need to hold 'disc_mutex' when removing the > structure, and avoids the above race condition. > > Signed-off-by: Hannes Reinecke <hare@xxxxxxxx> Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx> -- 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 -- 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
