[added to the 4.1 stable tree] be2iscsi: set the boot_kset pointer to NULL in case of failure

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From: Maurizio Lombardi <mlombard@xxxxxxxxxx>

This patch has been added to the 4.1 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit 84bd64993f916bcf86270c67686ecf4cea7b8933 ]

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.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Maurizio Lombardi <mlombard@xxxxxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Reviewed-by: Jitendra Bhivare <jitendra.bhivare@xxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 drivers/scsi/be2iscsi/be_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 1f74760..77a1598 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4434,6 +4434,7 @@ put_shost:
 	scsi_host_put(phba->shost);
 free_kset:
 	iscsi_boot_destroy_kset(phba->boot_kset);
+	phba->boot_kset = NULL;
 	return -ENOMEM;
 }
 
-- 
2.5.0

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