[Xen-devel] [PATCH] xen/blkback: do not leak mode property

[Olaf Hering <olaf@xxxxxxxxx>]

be->mode is obtained from xenbus_read, which does a kmalloc for the
message body. The short string is never released, so do it on blkbk
remove.

Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
---

!! Not compile tested !!

 drivers/block/xen-blkback/xenbus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/xen-blkback/xenbus.c 
b/drivers/block/xen-blkback/xenbus.c
index f58434c..a6585a4 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -366,6 +366,7 @@ static int xen_blkbk_remove(struct xenbus_device *dev)
                be->blkif = NULL;
        }
 
+       kfree(be->mode);
        kfree(be);
        dev_set_drvdata(&dev->dev, NULL);
        return 0;
-- 
1.8.0.1


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