Hannes Reinecke bc3d12b754 scsi: libfc: hold disc_mutex in fc_disc_stop_rports() ...

fc_disc_stop_rports() is calling fc_rport_logoff(), which in turn is
acquiring the rport mutex. So we cannot use RCU list traversal here, but
rather need to hold the disc mutex to avoid list corruption while
traversing.

Fixes: a407c59339 ("scsi: libfc: Fixup disc_mutex handling")
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

2018-07-12 23:01:16 -04:00

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