[SCSI] hpsa: Do not attempt kdump if we detect resetting controller failed.

We can get completions left over from before the attempted reset which
will interfere with the kdump.  Better to just not make the attempt in
that case.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index a778cb1fd8bcea76cea505d407c00a9a8b8eda20..eb6938fe77b008f82b5eca1c06e43e83395c4231 100644 (file)
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3264,13 +3264,13 @@ static __devinit int hpsa_kdump_hard_reset_controller(struct pci_dev *pdev)
         * It means we're on one of those controllers which doesn't support
         * the doorbell reset method and on which the PCI power management reset
         * method doesn't work (P800, for example.)
-        * In those cases, pretend the reset worked and hope for the best.
+        * In those cases, don't try to proceed, as it generally doesn't work.
         */
        active_transport = readl(&cfgtable->TransportActive);
        if (active_transport & PERFORMANT_MODE) {
                dev_warn(&pdev->dev, "Unable to successfully reset controller,"
-                       " proceeding anyway.\n");
-               rc = -ENOTSUPP;
+                       " Ignoring controller.\n");
+               rc = -ENODEV;
        }
 
 unmap_cfgtable: