From aeb2ecd6096182cc080d37679080c0f088dcd4a4 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Mon, 12 Jun 2006 14:11:43 +0900
Subject: [PATCH] [PATCH] libata: fast exit from EH while unloading

Make EH exit fast if the port is being unloaded.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
 drivers/scsi/libata-eh.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index 782dfba573a9..531a4e11c078 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -1680,6 +1680,10 @@ static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
 	down_xfermask = 0;
 	rc = 0;
 
+	/* if UNLOADING, finish immediately */
+	if (ap->flags & ATA_FLAG_UNLOADING)
+		goto out;
+
 	/* skip EH if possible. */
 	if (ata_eh_skip_recovery(ap))
 		ehc->i.action = 0;