From 20bc8a897e48043339d4a396e654c81c39900108 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Thu, 2 Mar 2017 12:03:40 +0100 Subject: [PATCH] can: usb_8dev: Fix memory leak of priv->cmd_msg_buffer commit 7c42631376306fb3f34d51fda546b50a9b6dd6ec upstream. The priv->cmd_msg_buffer is allocated in the probe function, but never kfree()ed. This patch converts the kzalloc() to resource-managed kzalloc. Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman --- drivers/net/can/usb/usb_8dev.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index a731720f1d13..449b2a47f9a8 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -954,8 +954,8 @@ static int usb_8dev_probe(struct usb_interface *intf, for (i = 0; i < MAX_TX_URBS; i++) priv->tx_contexts[i].echo_index = MAX_TX_URBS; - priv->cmd_msg_buffer = kzalloc(sizeof(struct usb_8dev_cmd_msg), - GFP_KERNEL); + priv->cmd_msg_buffer = devm_kzalloc(&intf->dev, sizeof(struct usb_8dev_cmd_msg), + GFP_KERNEL); if (!priv->cmd_msg_buffer) goto cleanup_candev; @@ -969,7 +969,7 @@ static int usb_8dev_probe(struct usb_interface *intf, if (err) { netdev_err(netdev, "couldn't register CAN device: %d\n", err); - goto cleanup_cmd_msg_buffer; + goto cleanup_candev; } err = usb_8dev_cmd_version(priv, &version); @@ -990,9 +990,6 @@ static int usb_8dev_probe(struct usb_interface *intf, cleanup_unregister_candev: unregister_netdev(priv->netdev); -cleanup_cmd_msg_buffer: - kfree(priv->cmd_msg_buffer); - cleanup_candev: free_candev(netdev); -- 2.20.1