diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r-- | drivers/ata/libata-core.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index fc9fcfda42b8..b4fdb78579c8 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4696,12 +4696,6 @@ int ata_std_qc_defer(struct ata_queued_cmd *qc) } EXPORT_SYMBOL_GPL(ata_std_qc_defer); -enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc) -{ - return AC_ERR_OK; -} -EXPORT_SYMBOL_GPL(ata_noop_qc_prep); - /** * ata_sg_init - Associate command with scatter-gather table. * @qc: Command to be associated @@ -5088,10 +5082,13 @@ void ata_qc_issue(struct ata_queued_cmd *qc) return; } - trace_ata_qc_prep(qc); - qc->err_mask |= ap->ops->qc_prep(qc); - if (unlikely(qc->err_mask)) - goto err; + if (ap->ops->qc_prep) { + trace_ata_qc_prep(qc); + qc->err_mask |= ap->ops->qc_prep(qc); + if (unlikely(qc->err_mask)) + goto err; + } + trace_ata_qc_issue(qc); qc->err_mask |= ap->ops->qc_issue(qc); if (unlikely(qc->err_mask)) @@ -6724,7 +6721,6 @@ static void ata_dummy_error_handler(struct ata_port *ap) } struct ata_port_operations ata_dummy_port_ops = { - .qc_prep = ata_noop_qc_prep, .qc_issue = ata_dummy_qc_issue, .error_handler = ata_dummy_error_handler, .sched_eh = ata_std_sched_eh, |