From 4bff7208f332b2b1d7cf1338e50527441283a198 Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Mon, 21 Oct 2013 22:05:38 +0300 Subject: [PATCH] mei: nfc: fix memory leak in error path The flow may reach the err label without freeing cl and cl_info cl and cl_info weren't assigned to ndev->cl and cl_info so they weren't freed in mei_nfc_free called on error path Cc: # 3.10+ Cc: Samuel Ortiz Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/nfc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c index d0c6907dfd92..994ca4aff1a3 100644 --- a/drivers/misc/mei/nfc.c +++ b/drivers/misc/mei/nfc.c @@ -485,8 +485,11 @@ int mei_nfc_host_init(struct mei_device *dev) if (ndev->cl_info) return 0; - cl_info = mei_cl_allocate(dev); - cl = mei_cl_allocate(dev); + ndev->cl_info = mei_cl_allocate(dev); + ndev->cl = mei_cl_allocate(dev); + + cl = ndev->cl; + cl_info = ndev->cl_info; if (!cl || !cl_info) { ret = -ENOMEM; @@ -527,10 +530,9 @@ int mei_nfc_host_init(struct mei_device *dev) cl->device_uuid = mei_nfc_guid; + list_add_tail(&cl->device_link, &dev->device_list); - ndev->cl_info = cl_info; - ndev->cl = cl; ndev->req_id = 1; INIT_WORK(&ndev->init_work, mei_nfc_init); -- 2.39.5