From: Alejandro Concepcion Rodriguez alejandro@acoro.eu
[ Upstream commit a1e654070a60d5d4f7cce59c38f4ca790bb79121 ]
netif_rx() is meant to be called from interrupt contexts. can_restart() may be called by can_restart_work(), which is called from a worqueue, so it may run in process context. Use netif_rx_ni() instead.
Fixes: 39549eef3587 ("can: CAN Network device driver and Netlink interface") Co-developed-by: Loris Fauster loris.fauster@ttcontrol.com Signed-off-by: Loris Fauster loris.fauster@ttcontrol.com Signed-off-by: Alejandro Concepcion Rodriguez alejandro@acoro.eu Link: https://lore.kernel.org/r/4e84162b-fb31-3a73-fa9a-9438b4bd5234@acoro.eu [mkl: use netif_rx_ni() instead of netif_rx_any_context()] Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/can/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index d5e52ffc7ed25..4bc9aa6c34787 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -566,7 +566,7 @@ static void can_restart(struct net_device *dev)
cf->can_id |= CAN_ERR_RESTARTED;
- netif_rx(skb); + netif_rx_ni(skb);
stats->rx_packets++; stats->rx_bytes += cf->can_dlc;