diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 13 | ||||
| -rw-r--r-- | drivers/ata/libata-transport.c | 19 |
2 files changed, 28 insertions, 4 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index e2ebb0b065e2..06a3d95ed8f9 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3264,6 +3264,7 @@ static unsigned int ata_scsiop_maint_in(struct ata_scsi_args *args, u8 *rbuf) case REPORT_LUNS: case REQUEST_SENSE: case SYNCHRONIZE_CACHE: + case SYNCHRONIZE_CACHE_16: case REZERO_UNIT: case SEEK_6: case SEEK_10: @@ -3922,6 +3923,7 @@ static inline ata_xlat_func_t ata_get_xlat_func(struct ata_device *dev, u8 cmd) return ata_scsi_write_same_xlat; case SYNCHRONIZE_CACHE: + case SYNCHRONIZE_CACHE_16: if (ata_try_flush_cache(dev)) return ata_scsi_flush_xlat; break; @@ -3962,9 +3964,19 @@ static inline ata_xlat_func_t ata_get_xlat_func(struct ata_device *dev, u8 cmd) int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, struct ata_device *dev) { + struct ata_port *ap = dev->link->ap; u8 scsi_op = scmd->cmnd[0]; ata_xlat_func_t xlat_func; + /* + * scsi_queue_rq() will defer commands if scsi_host_in_recovery(). + * However, this check is done without holding the ap->lock (a libata + * specific lock), so we can have received an error irq since then, + * therefore we must check if EH is pending, while holding ap->lock. + */ + if (ap->pflags & (ATA_PFLAG_EH_PENDING | ATA_PFLAG_EH_IN_PROGRESS)) + return SCSI_MLQUEUE_DEVICE_BUSY; + if (unlikely(!scmd->cmd_len)) goto bad_cdb_len; @@ -4145,6 +4157,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) * turning this into a no-op. */ case SYNCHRONIZE_CACHE: + case SYNCHRONIZE_CACHE_16: fallthrough; /* no-op's, complete with success */ diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index a7e9a75410a3..e4fb9d1b9b39 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -301,7 +301,9 @@ int ata_tport_add(struct device *parent, pm_runtime_enable(dev); pm_runtime_forbid(dev); - transport_add_device(dev); + error = transport_add_device(dev); + if (error) + goto tport_transport_add_err; transport_configure_device(dev); error = ata_tlink_add(&ap->link); @@ -312,12 +314,12 @@ int ata_tport_add(struct device *parent, tport_link_err: transport_remove_device(dev); + tport_transport_add_err: device_del(dev); tport_err: transport_destroy_device(dev); put_device(dev); - ata_host_put(ap->host); return error; } @@ -456,7 +458,9 @@ int ata_tlink_add(struct ata_link *link) goto tlink_err; } - transport_add_device(dev); + error = transport_add_device(dev); + if (error) + goto tlink_transport_err; transport_configure_device(dev); ata_for_each_dev(ata_dev, link, ALL) { @@ -471,6 +475,7 @@ int ata_tlink_add(struct ata_link *link) ata_tdev_delete(ata_dev); } transport_remove_device(dev); + tlink_transport_err: device_del(dev); tlink_err: transport_destroy_device(dev); @@ -708,7 +713,13 @@ static int ata_tdev_add(struct ata_device *ata_dev) return error; } - transport_add_device(dev); + error = transport_add_device(dev); + if (error) { + device_del(dev); + ata_tdev_free(ata_dev); + return error; + } + transport_configure_device(dev); return 0; } |