diff options
| author |  Marc Kleine-Budde <mkl@pengutronix.de>
| 2018-10-31 14:15:13 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de>
| 2018-11-09 17:20:46 +0100 |
| commit | 7da11ba5c5066dadc2e96835a6233d56d7b7764a (patch) | |
| tree | 388d431f4cf4512814f35ad4d4b073c4ce7ad46c /include | |
| parent | can: dev: __can_get_echo_skb(): Don't crash the kernel if can_priv::echo_skb ... (diff) | |
| download | linux-7da11ba5c5066dadc2e96835a6233d56d7b7764a.tar.gz linux-7da11ba5c5066dadc2e96835a6233d56d7b7764a.tar.bz2 linux-7da11ba5c5066dadc2e96835a6233d56d7b7764a.zip | |
can: dev: __can_get_echo_skb(): print error message, if trying to echo non existing skb
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>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions