scsi: scsi_transport_srp: Sanitize scsi_target_block/unblock sequences
The SCSI midlayer does not allow state transitions from SDEV_BLOCK to SDEV_BLOCK so calling scsi_target_block() from __rport_fast_io_fail() is wrong as the port is already blocked. Similarly, we don't need to call scsi_target_unblock() afterwards as the function has already done this. Link: https://lore.kernel.org/r/20200728134833.42547-1-hare@suse.de Reviewed-by:Bart Van Assche <bvanassche@acm.org> Reviewed-by:
Laurence Oberman <loberman@redhat.com> Signed-off-by:
Hannes Reinecke <hare@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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