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authorDavid S. Miller <davem@davemloft.net>2013-07-20 17:00:27 -0700
committerDavid S. Miller <davem@davemloft.net>2013-07-20 17:00:27 -0700
commit8d716c7a09e0db7458dc072dd518c991c922931f (patch)
treec184c4834caa3faa589818d9e07683cfc2e934d3
parent1faabf2aab1fdaa1ace4e8c829d1b9cf7bfec2f1 (diff)
parent7671986839f9207f8d76e8ef92b2d3f263a794cc (diff)
Merge branch 'fixes-for-3.11' of git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says: ==================== here are two fixes for the v3.11 release cycle: Maximilian Schneider contributes a patch for the esd_usb2 CAN driver. It adds sanity checking to the data coming from the USB CAN adapter before using it. Alexey Khoroshilov from the Linux Driver Verification project fixes an urb leak in the error handling of the USB 8dev's usb_8dev_start() function. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/can/usb/esd_usb2.c10
-rw-r--r--drivers/net/can/usb/usb_8dev.c1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 6aa7b3266c80..ac6177d3befc 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -412,10 +412,20 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
switch (msg->msg.hdr.cmd) {
case CMD_CAN_RX:
+ if (msg->msg.rx.net >= dev->net_count) {
+ dev_err(dev->udev->dev.parent, "format error\n");
+ break;
+ }
+
esd_usb2_rx_can_msg(dev->nets[msg->msg.rx.net], msg);
break;
case CMD_CAN_TX:
+ if (msg->msg.txdone.net >= dev->net_count) {
+ dev_err(dev->udev->dev.parent, "format error\n");
+ break;
+ }
+
esd_usb2_tx_done_msg(dev->nets[msg->msg.txdone.net],
msg);
break;
diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c
index cbd388eea682..8becd3d838b5 100644
--- a/drivers/net/can/usb/usb_8dev.c
+++ b/drivers/net/can/usb/usb_8dev.c
@@ -779,6 +779,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv)
usb_unanchor_urb(urb);
usb_free_coherent(priv->udev, RX_BUFFER_SIZE, buf,
urb->transfer_dma);
+ usb_free_urb(urb);
break;
}