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Commit 5e4fabb6 authored Apr 18, 2016 by Kai Makisara Committed by Martin K. Petersen Apr 25, 2016

st: clear ILI if Medium Error



Some drives set the ILI flag together with MEDIUM ERROR sense code.
Clear the ILI flag in this case so that the medium error will be
handled.  The problem was reported by Maurizio Lombardi.

Signed-off-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

parent 71892418

drivers/scsi/st.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -1974,9 +1974,12 @@ static long read_tape(struct scsi_tape *STp, long count,
		transfer = (int)cmdstatp->uremainder64;
		else
		transfer = 0;
		if (STp->block_size == 0 &&
		cmdstatp->sense_hdr.sense_key == MEDIUM_ERROR)
		if (cmdstatp->sense_hdr.sense_key == MEDIUM_ERROR) {
		if (STp->block_size == 0)
		transfer = bytes;
		/* Some drives set ILI with MEDIUM ERROR */
		cmdstatp->flags &= ~SENSE_ILI;
		}

		if (cmdstatp->flags & SENSE_ILI) { /* ILI */
		if (STp->block_size == 0 &&