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| author | Hannes Reinecke <hare@suse.de> | 2021-04-27 10:30:19 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-05-31 22:48:22 -0400 |
| commit | b840abeffc23c5bf2e4dd53f0448d72bdedf1666 (patch) | |
| tree | 3b38de0aaf13a430043b016d2b47a00e06079dfa | |
| parent | 58bedf351f3eace10447b5e1f70b9079ab4d04d2 (diff) | |
| download | lwn-b840abeffc23c5bf2e4dd53f0448d72bdedf1666.tar.gz lwn-b840abeffc23c5bf2e4dd53f0448d72bdedf1666.zip | |
scsi: xen-scsifront: Compability status handling
The Xen guest might run against arbitrary backends, so the driver might
receive a status with driver_byte set. Map these errors to DID_ERROR to be
consistent with recent changes.
Link: https://lore.kernel.org/r/20210427083046.31620-14-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/xen-scsifront.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c index 259fc248d06c..ec9d399fbbd8 100644 --- a/drivers/scsi/xen-scsifront.c +++ b/drivers/scsi/xen-scsifront.c @@ -251,6 +251,7 @@ static void scsifront_cdb_cmd_done(struct vscsifrnt_info *info, struct scsi_cmnd *sc; uint32_t id; uint8_t sense_len; + int result; id = ring_rsp->rqid; shadow = info->shadow[id]; @@ -261,7 +262,12 @@ static void scsifront_cdb_cmd_done(struct vscsifrnt_info *info, scsifront_gnttab_done(info, shadow); scsifront_put_rqid(info, id); - sc->result = ring_rsp->rslt; + result = ring_rsp->rslt; + if (result >> 24) + set_host_byte(sc, DID_ERROR); + else + set_host_byte(sc, host_byte(result)); + set_status_byte(sc, result & 0xff); scsi_set_resid(sc, ring_rsp->residual_len); sense_len = min_t(uint8_t, VSCSIIF_SENSE_BUFFERSIZE, |