[SCSI] hpsa: do not reset unknown boards on reset_devices
This is to prevent hpsa from resetting older boards
which the cciss driver may be controlling.
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 688b243..5b9cd41d 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3140,7 +3140,11 @@
* likely not be happy. Just forbid resetting this conjoined mess.
* The 640x isn't really supported by hpsa anyway.
*/
- hpsa_lookup_board_id(pdev, &board_id);
+ rc = hpsa_lookup_board_id(pdev, &board_id);
+ if (rc < 0) {
+ dev_warn(&pdev->dev, "Not resetting device.\n");
+ return -ENODEV;
+ }
if (board_id == 0x409C0E11 || board_id == 0x409D0E11)
return -ENOTSUPP;