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[PATCH] libata: fix ata_qc_issue failure path 

On sg_err failure path, ata_qc_issue() doesn't mark the qc active
before returning.  This triggers WARN_ON() in __ata_qc_complete() when
the qc gets completed.  This patch moves ap->active_tag and
QCFLAG_ACTIVE setting to the top of the function.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hifive-unleashed-5.1
Tejun Heo 2006-03-31 20:36:47 +09:00 committed by Jeff Garzik
parent 79ea24e72e
commit e4a70e76ad
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/libata-core.c
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@ -4006,6 +4006,9 @@ unsigned int ata_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
qc->ap->active_tag = qc->tag;
qc->flags |= ATA_QCFLAG_ACTIVE;
if (ata_should_dma_map(qc)) {
if (qc->flags & ATA_QCFLAG_SG) {
if (ata_sg_setup(qc))
@ -4020,9 +4023,6 @@ unsigned int ata_qc_issue(struct ata_queued_cmd *qc)
ap->ops->qc_prep(qc);
qc->ap->active_tag = qc->tag;
qc->flags |= ATA_QCFLAG_ACTIVE;
return ap->ops->qc_issue(qc);
sg_err: