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can: ems_usb: Fix memory leak on ems_usb_disconnect()

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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>
This commit is contained in:
Anton Vasilyev 2018-07-27 18:50:42 +03:00 committed by Greg Kroah-Hartman
parent e7de67165e
commit c8159f9a1a
1 changed files with 1 additions and 0 deletions
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drivers/net/can/usb/ems_usb.c
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@ -1071,6 +1071,7 @@ 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);
}
}