This is a note to let you know that I've just added the patch titled can: m_can: m_can_handle_state_change(): fix state change to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: can-m_can-m_can_handle_state_change-fix-state-change.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit a91f09d3aac3b6e6fb5e5972a04aa439c56b2088 Author: Wu Bo <wubo.oduw@xxxxxxxxx> Date: Wed Jan 29 10:23:30 2020 +0800 can: m_can: m_can_handle_state_change(): fix state change [ Upstream commit cd0d83eab2e0c26fe87a10debfedbb23901853c1 ] m_can_handle_state_change() is called with the new_state as an argument. In the switch statements for CAN_STATE_ERROR_ACTIVE, the comment and the following code indicate that a CAN_STATE_ERROR_WARNING is handled. This patch fixes this problem by changing the case to CAN_STATE_ERROR_WARNING. Signed-off-by: Wu Bo <wubo.oduw@xxxxxxxxx> Link: http://lore.kernel.org/r/20200129022330.21248-2-wubo.oduw@xxxxxxxxx Cc: Dan Murphy <dmurphy@xxxxxx> Fixes: e0d1f4816f2a ("can: m_can: add Bosch M_CAN controller support") Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 02c5795b73936..63887e23d89c0 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -665,7 +665,7 @@ static int m_can_handle_state_change(struct net_device *dev, unsigned int ecr; switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ cdev->can.can_stats.error_warning++; cdev->can.state = CAN_STATE_ERROR_WARNING; @@ -694,7 +694,7 @@ static int m_can_handle_state_change(struct net_device *dev, __m_can_get_berr_counter(dev, &bec); switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ cf->can_id |= CAN_ERR_CRTL; cf->data[1] = (bec.txerr > bec.rxerr) ?