[SCSI] ipr: Return better qc_issue errors

If qc_issue fails for some reason, return a better error
to libata.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 0251fd7272e00e18d9973b9dfe1bad885d34b289..aa1fb72ca23536fef17279351269728b3ba8cb42 100644 (file)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5128,7 +5128,7 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
        struct ipr_ioarcb_ata_regs *regs;
 
        if (unlikely(!ioa_cfg->allow_cmds || ioa_cfg->ioa_is_dead))
-               return -EIO;
+               return AC_ERR_SYSTEM;
 
        ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
        ioarcb = &ipr_cmd->ioarcb;
@@ -5173,7 +5173,7 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
 
        default:
                WARN_ON(1);
-               return -1;
+               return AC_ERR_INVALID;
        }
 
        mb();