IB/srp: Avoid that mapping failure triggers an infinite loop
The srp_queuecommand() function translates ENOMEM into QUEUE_FULL which causes the SCSI mid-layer to retry the command. All other error codes are translated into DID_ERROR which causes the SCSI command to fail. Return E2BIG if mapping will always fail to prevent that the SCSI mid-layer keeps resubmitting a command forever. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Laurence Oberman <loberman@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
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