linux-kernel - [PATCH 3.12 036/127] scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded

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Message-Id: <d5e042c16d27946818e5f79e1cec5f9779672703.1480062521.git.jslaby@suse.cz>
Date:   Fri, 25 Nov 2016 09:29:09 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, "Ewan D. Milne" <emilne@...hat.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 036/127] scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded

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

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

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

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: Jiri Slaby <jslaby@...e.cz>
---
 drivers/scsi/scsi_debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 01c0ffa31276..39f2d7d138cf 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -3502,6 +3502,7 @@ static void __exit scsi_debug_exit(void)
 	bus_unregister(&pseudo_lld_bus);
 	root_device_unregister(pseudo_primary);
 
+	vfree(map_storep);
 	if (dif_storep)
 		vfree(dif_storep);
 
-- 
2.10.2