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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2018-10-31 14:15:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-01 09:37:29 +0100 |
| commit | 474673a94f1758a64b22c0c012eaae2ecdcf9810 (patch) | |
| tree | e8427147af9a77aee406aa276aa175c5ab29af2f /include/linux | |
| parent | e3b8d98e3758514443b39f9e719df03369f18d2b (diff) | |
can: dev: __can_get_echo_skb(): print error message, if trying to echo non existing skb
commit 7da11ba5c5066dadc2e96835a6233d56d7b7764a upstream.
Prior to echoing a successfully transmitted CAN frame (by calling
can_get_echo_skb()), CAN drivers have to put the CAN frame (by calling
can_put_echo_skb() in the transmit function). These put and get function
take an index as parameter, which is used to identify the CAN frame.
A driver calling can_get_echo_skb() with a index not pointing to a skb
is a BUG, so add an appropriate error message.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions