From: Joe Handzik <joseph.t.handzik@hp.com>
Date: Thu, 15 May 2014 20:44:47 +0000 (-0500)
Subject: hpsa: do not ignore failure of sense controller parameters command
X-Git-Tag: firefly_0821_release~176^2~3742^2~83
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=96444fbbbf3b55a9cd1e337cc5c8c7d04bb364b7;p=firefly-linux-kernel-4.4.55.git

hpsa: do not ignore failure of sense controller parameters command

Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 7eb3b9a78537..13d4cc5685b7 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2983,12 +2983,12 @@ static int hpsa_hba_mode_enabled(struct ctlr_info *h)
 		GFP_KERNEL);
 
 	if (!ctlr_params)
-		return 0;
+		return -ENOMEM;
 	rc = hpsa_bmic_ctrl_mode_sense(h, RAID_CTLR_LUNID, 0, ctlr_params,
 		sizeof(struct bmic_controller_parameters));
-	if (rc != 0) {
+	if (rc) {
 		kfree(ctlr_params);
-		return 0;
+		return rc;
 	}
 
 	hba_mode_enabled =
@@ -3035,6 +3035,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
 	memset(lunzerobits, 0, sizeof(lunzerobits));
 
 	rescan_hba_mode = hpsa_hba_mode_enabled(h);
+	if (rescan_hba_mode < 0)
+		goto out;
 
 	if (!h->hba_mode_enabled && rescan_hba_mode)
 		dev_warn(&h->pdev->dev, "HBA mode enabled\n");