From: Hannes Reinecke Date: Tue, 27 Apr 2021 08:30:19 +0000 (+0200) Subject: scsi: xen-scsifront: Compability status handling X-Git-Tag: accepted/tizen/unified/20230118.172025~6832^2~133^2~27 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b840abeffc23c5bf2e4dd53f0448d72bdedf1666;p=platform%2Fkernel%2Flinux-rpi.git 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 Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c index 259fc24..ec9d399 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,