[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/sata_sil24.c b/drivers/scsi/sata_sil24.c
index fb59012b9fbe..5a7a7b1d4add 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -251,7 +251,7 @@ static void sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val);
 static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
 static void sil24_phy_reset(struct ata_port *ap);
 static void sil24_qc_prep(struct ata_queued_cmd *qc);
-static int sil24_qc_issue(struct ata_queued_cmd *qc);
+static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
 static void sil24_irq_clear(struct ata_port *ap);
 static void sil24_eng_timeout(struct ata_port *ap);
 static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
@@ -557,7 +557,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
                 sil24_fill_sg(qc, sge);
 }
 
-static int sil24_qc_issue(struct ata_queued_cmd *qc)
+static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
 {
         struct ata_port *ap = qc->ap;
         void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;