From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> The can_get_state_str() function is also relevant to the drivers. Export the symbol and make it visible in the can/dev.h header. Link: https://lore.kernel.org/r/20210119170355.12040-1-mailhol.vincent@xxxxxxxxxx Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/dev/dev.c | 3 ++- include/linux/can/dev.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 01e4a194f187..d9281ae853f8 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -74,7 +74,7 @@ static int can_rx_state_to_frame(struct net_device *dev, enum can_state state) } } -static const char *can_get_state_str(const enum can_state state) +const char *can_get_state_str(const enum can_state state) { switch (state) { case CAN_STATE_ERROR_ACTIVE: @@ -95,6 +95,7 @@ static const char *can_get_state_str(const enum can_state state) return "<unknown>"; } +EXPORT_SYMBOL_GPL(can_get_state_str); void can_change_state(struct net_device *dev, struct can_frame *cf, enum can_state tx_state, enum can_state rx_state) diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 7faf6a37d5b2..ac4d83a1ab81 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -123,6 +123,7 @@ void unregister_candev(struct net_device *dev); int can_restart_now(struct net_device *dev); void can_bus_off(struct net_device *dev); +const char *can_get_state_str(const enum can_state state); void can_change_state(struct net_device *dev, struct can_frame *cf, enum can_state tx_state, enum can_state rx_state); -- 2.29.2