linux-kernel - [PATCH 4.4 044/210] be2iscsi: set the boot_kset pointer to NULL in case of failure

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Message-Id: <20160410183528.229169391@linuxfoundation.org>
Date:	Sun, 10 Apr 2016 11:34:25 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Maurizio Lombardi <mlombard@...hat.com>,
	Johannes Thumshirn <jthumshirn@...e.de>,
	Jitendra Bhivare <jitendra.bhivare@...adcom.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.4 044/210] be2iscsi: set the boot_kset pointer to NULL in case of failure

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

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

From: Maurizio Lombardi <mlombard@...hat.com>

commit 84bd64993f916bcf86270c67686ecf4cea7b8933 upstream.

In beiscsi_setup_boot_info(), the boot_kset pointer should be set to
NULL in case of failure otherwise an invalid pointer dereference may
occur later.

Signed-off-by: Maurizio Lombardi <mlombard@...hat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>
Reviewed-by: Jitendra Bhivare <jitendra.bhivare@...adcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/be2iscsi/be_main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4470,6 +4470,7 @@ put_shost:
 	scsi_host_put(phba->shost);
 free_kset:
 	iscsi_boot_destroy_kset(phba->boot_kset);
+	phba->boot_kset = NULL;
 	return -ENOMEM;
 }