be2iscsi: set the boot_kset pointer to NULL in case of failure

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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index bfe812fcce3433bdaea31f0f9d78062d3133ffc6..a683a831527bcecb6db4643c1c8e6bda78c87943 100644 (file)
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4040,6 +4040,7 @@ put_shost:
        scsi_host_put(phba->shost);
 free_kset:
        iscsi_boot_destroy_kset(phba->boot_kset);
+       phba->boot_kset = NULL;
        return -ENOMEM;
 }