[PATCH] libata: ata_dev_revalidate() printk update

Make sure ata_dev_revalidate() complains on failures and kill
revalidation failure message printed from ata_dev_set_mode().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 15d6c24c8e54..f39352a3ac11 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1961,12 +1961,8 @@ static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev)
         }
 
         rc = ata_dev_revalidate(ap, dev, 0);
-        if (rc) {
-                printk(KERN_ERR
-                       "ata%u: failed to revalidate after set xfermode\n",
-                       ap->id);
+        if (rc)
                 return rc;
-        }
 
         DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n",
                 dev->xfer_shift, (int)dev->xfer_mode);
@@ -2786,15 +2782,14 @@ static int ata_dev_same_device(struct ata_port *ap, struct ata_device *dev,
 int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev,
                        int post_reset)
 {
-        unsigned int class;
-        u16 *id;
+        unsigned int class = dev->class;
+        u16 *id = NULL;
         int rc;
 
-        if (!ata_dev_enabled(dev))
-                return -ENODEV;
-
-        class = dev->class;
-        id = NULL;
+        if (!ata_dev_enabled(dev)) {
+                rc = -ENODEV;
+                goto fail;
+        }
 
         /* allocate & read ID data */
         rc = ata_dev_read_id(ap, dev, &class, post_reset, &id);
@@ -2811,7 +2806,9 @@ int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev,
         dev->id = id;
 
         /* configure device according to the new ID */
-        return ata_dev_configure(ap, dev, 0);
+        rc = ata_dev_configure(ap, dev, 0);
+        if (rc == 0)
+                return 0;
 
  fail:
         printk(KERN_ERR "ata%u: dev %u revalidation failed (errno=%d)\n",