[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>

1 files changed, 4 insertions, 0 deletions

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;