[PATCH] ahci: fix err_mask setting in ahci_host_intr

In ahci_host_intr err_mask is determined from IRQ status but never
used.  This patch sets qc->err_mask to the determined err_mask.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 30676b0..a168b52 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -721,7 +721,7 @@
 		ahci_restart_port(ap, status);
 
 		if (qc) {
-			qc->err_mask |= AC_ERR_OTHER;
+			qc->err_mask |= err_mask;
 			ata_qc_complete(qc);
 		}
 	}