linux-kernel - [PATCH 3.16.y-ckt 026/180] be2iscsi: Fix kernel panic when device initialization fails

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Message-Id: <1430991989-23170-27-git-send-email-luis.henriques@canonical.com>
Date:	Thu,  7 May 2015 10:43:55 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	John Soni Jose <sony.john-n@...lex.com>,
	James Bottomley <JBottomley@...n.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 026/180] be2iscsi: Fix kernel panic when device initialization fails

3.16.7-ckt11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: John Soni Jose <sony.john-n@...lex.com>

commit 2e7cee027b26cbe7e6685a7a14bd2850bfe55d33 upstream.

Kernel panic was happening as iscsi_host_remove() was called on
a host which was not yet added.

Signed-off-by: John Soni Jose <sony.john-n@...lex.com>
Reviewed-by: Mike Christie <michaelc@...wisc.edu>
Signed-off-by: James Bottomley <JBottomley@...n.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/scsi/be2iscsi/be_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index f7e9c531cc26..5d13d109d9a2 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -5707,9 +5707,9 @@ free_port:
 hba_free:
 	if (phba->msix_enabled)
 		pci_disable_msix(phba->pcidev);
-	iscsi_host_remove(phba->shost);
 	pci_dev_put(phba->pcidev);
 	iscsi_host_free(phba->shost);
+	pci_set_drvdata(pcidev, NULL);
 disable_pci:
 	pci_disable_device(pcidev);
 	return ret;
--
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