linux-kernel - [PATCH 4.8 097/138] scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded

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Date:   Wed,  9 Nov 2016 11:46:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "Ewan D. Milne" <emilne@...hat.com>,
        Laurence Oberman <loberman@...hat.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.8 097/138] scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded

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

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

From: Ewan D. Milne <emilne@...hat.com>

commit 4d2b496f19f3c2cfaca1e8fa0710688b5ff3811d upstream.

map_storep was not being vfree()'d in the module_exit call.

Signed-off-by: Ewan D. Milne <emilne@...hat.com>
Reviewed-by: Laurence Oberman <loberman@...hat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -5134,6 +5134,7 @@ static void __exit scsi_debug_exit(void)
 	bus_unregister(&pseudo_lld_bus);
 	root_device_unregister(pseudo_primary);

+	vfree(map_storep);
 	vfree(dif_storep);
 	vfree(fake_storep);
 	kfree(sdebug_q_arr);