summaryrefslogtreecommitdiff
path: root/drivers/scsi/st.c
diff options
context:
space:
mode:
authorKai Makisara <Kai.Makisara@kolumbus.fi>2016-04-18 08:47:18 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-04-26 05:08:16 +0300
commit5e4fabb6eb058f6d473e22b6db3ef299acf00f1c (patch)
treeceedd2041da007aba8b1aac46ad1072e8119511c /drivers/scsi/st.c
parent718924180a6a79afa558bd978c8a3436c39691ff (diff)
downloadlinux-5e4fabb6eb058f6d473e22b6db3ef299acf00f1c.tar.xz
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>
Diffstat (limited to 'drivers/scsi/st.c')
-rw-r--r--drivers/scsi/st.c9
1 files 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 &&