[PATCH] libata: return AC_ERR_* from issue functions

Return AC_ERR_* mask from issue fuctions instead of 0/-1.  This
enables things like failing a qc with AC_ERR_HSM when the device
doesn't set DRDY when the qc is about to be issued.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c
index e8df0c9ec1e6..3a6bf58dc37b 100644
--- a/drivers/scsi/pdc_adma.c
+++ b/drivers/scsi/pdc_adma.c
@@ -131,7 +131,7 @@ static void adma_host_stop(struct ata_host_set *host_set);
 static void adma_port_stop(struct ata_port *ap);
 static void adma_phy_reset(struct ata_port *ap);
 static void adma_qc_prep(struct ata_queued_cmd *qc);
-static int adma_qc_issue(struct ata_queued_cmd *qc);
+static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
 static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
 static void adma_bmdma_stop(struct ata_queued_cmd *qc);
 static u8 adma_bmdma_status(struct ata_port *ap);
@@ -419,7 +419,7 @@ static inline void adma_packet_start(struct ata_queued_cmd *qc)
         writew(aPIOMD4 | aGO, chan + ADMA_CONTROL);
 }
 
-static int adma_qc_issue(struct ata_queued_cmd *qc)
+static unsigned int adma_qc_issue(struct ata_queued_cmd *qc)
 {
         struct adma_port_priv *pp = qc->ap->private_data;