From 5e4fabb6eb058f6d473e22b6db3ef299acf00f1c Mon Sep 17 00:00:00 2001 From: Kai Makisara Date: Mon, 18 Apr 2016 08:47:18 +0300 Subject: [PATCH] st: clear ILI if Medium Error MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Laurence Oberman Signed-off-by: Martin K. Petersen --- drivers/scsi/st.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index dbf1882cfbac..7af5226aa55b 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -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) - transfer = bytes; + 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 && -- 2.20.1