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authorAnton Vasilyev <vasilyev@ispras.ru>2018-07-27 18:50:42 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-06 16:18:20 +0200
commite8445da5dfe0e8cf9fa426dc30061093e66a61bb (patch)
tree8b38ad2740624055b0a9e0089931c6b7c0237533
parentca774ff89f46d42342c9caaa82e50126e6c4c1c6 (diff)
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can: ems_usb: Fix memory leak on ems_usb_disconnect()
commit 72c05f32f4a5055c9c8fe889bb6903ec959c0aad upstream. ems_usb_probe() allocates memory for dev->tx_msg_buffer, but there is no its deallocation in ems_usb_disconnect(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru> Cc: <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/can/usb/ems_usb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 12ff0020ecd6..b7dfd4109d24 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -1072,6 +1072,7 @@ static void ems_usb_disconnect(struct usb_interface *intf)
usb_free_urb(dev->intr_urb);
kfree(dev->intr_in_buffer);
+ kfree(dev->tx_msg_buffer);
}
}