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-rw-r--r--drivers/ata/libata-core.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d7f0f1b1ae3e..dc72690ed5db 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4919,10 +4919,11 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev)
4919 */ 4919 */
4920void ata_qc_free(struct ata_queued_cmd *qc) 4920void ata_qc_free(struct ata_queued_cmd *qc)
4921{ 4921{
4922 struct ata_port *ap = qc->ap; 4922 struct ata_port *ap;
4923 unsigned int tag; 4923 unsigned int tag;
4924 4924
4925 WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ 4925 WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
4926 ap = qc->ap;
4926 4927
4927 qc->flags = 0; 4928 qc->flags = 0;
4928 tag = qc->tag; 4929 tag = qc->tag;
@@ -4934,11 +4935,13 @@ void ata_qc_free(struct ata_queued_cmd *qc)
4934 4935
4935void __ata_qc_complete(struct ata_queued_cmd *qc) 4936void __ata_qc_complete(struct ata_queued_cmd *qc)
4936{ 4937{
4937 struct ata_port *ap = qc->ap; 4938 struct ata_port *ap;
4938 struct ata_link *link = qc->dev->link; 4939 struct ata_link *link;
4939 4940
4940 WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ 4941 WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
4941 WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); 4942 WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE));
4943 ap = qc->ap;
4944 link = qc->dev->link;
4942 4945
4943 if (likely(qc->flags & ATA_QCFLAG_DMAMAP)) 4946 if (likely(qc->flags & ATA_QCFLAG_DMAMAP))
4944 ata_sg_clean(qc); 4947 ata_sg_clean(qc);