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-rw-r--r--drivers/net/can/Makefile7
-rw-r--r--drivers/net/can/dev/Makefile7
-rw-r--r--drivers/net/can/dev/dev.c (renamed from drivers/net/can/dev.c)10
-rw-r--r--drivers/net/can/dev/rx-offload.c (renamed from drivers/net/can/rx-offload.c)0
-rw-r--r--drivers/net/can/janz-ican3.c2
-rw-r--r--drivers/net/can/usb/gs_usb.c7
6 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile
index 44922bf29..93e11f1fe 100644
--- a/drivers/net/can/Makefile
+++ b/drivers/net/can/Makefile
@@ -7,12 +7,7 @@ obj-$(CONFIG_CAN_VCAN) += vcan.o
obj-$(CONFIG_CAN_VXCAN) += vxcan.o
obj-$(CONFIG_CAN_SLCAN) += slcan.o
-obj-$(CONFIG_CAN_DEV) += can-dev.o
-can-dev-y += dev.o
-can-dev-y += rx-offload.o
-
-can-dev-$(CONFIG_CAN_LEDS) += led.o
-
+obj-y += dev/
obj-y += rcar/
obj-y += spi/
obj-y += usb/
diff --git a/drivers/net/can/dev/Makefile b/drivers/net/can/dev/Makefile
new file mode 100644
index 000000000..cba92e6bc
--- /dev/null
+++ b/drivers/net/can/dev/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_CAN_DEV) += can-dev.o
+can-dev-y += dev.o
+can-dev-y += rx-offload.o
+
+can-dev-$(CONFIG_CAN_LEDS) += led.o
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev/dev.c
index 8738d37f7..3797d4de2 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev/dev.c
@@ -563,7 +563,8 @@ static void can_restart(struct net_device *dev)
struct can_frame *cf;
int err;
- BUG_ON(netif_carrier_ok(dev));
+ if (netif_carrier_ok(dev))
+ netdev_err(dev, "Attempt to restart for bus-off recovery, but carrier is OK?\n");
/*
* No synchronization needed because the device is bus-off and
@@ -589,11 +590,12 @@ restart:
priv->can_stats.restarts++;
/* Now restart the device */
- err = priv->do_set_mode(dev, CAN_MODE_START);
-
netif_carrier_on(dev);
- if (err)
+ err = priv->do_set_mode(dev, CAN_MODE_START);
+ if (err) {
netdev_err(dev, "Error %d during restart", err);
+ netif_carrier_off(dev);
+ }
}
static void can_restart_work(struct work_struct *work)
diff --git a/drivers/net/can/rx-offload.c b/drivers/net/can/dev/rx-offload.c
index 5cf4171df..5cf4171df 100644
--- a/drivers/net/can/rx-offload.c
+++ b/drivers/net/can/dev/rx-offload.c
diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c
index 02042cb09..0e939a4cd 100644
--- a/drivers/net/can/janz-ican3.c
+++ b/drivers/net/can/janz-ican3.c
@@ -1455,7 +1455,7 @@ static int ican3_napi(struct napi_struct *napi, int budget)
/* process all communication messages */
while (true) {
- struct ican3_msg uninitialized_var(msg);
+ struct ican3_msg msg;
ret = ican3_recv_msg(mod, &msg);
if (ret)
break;
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 62ca4964a..fd80af775 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -389,6 +389,9 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
}
if (hf->flags & GS_CAN_FLAG_OVERFLOW) {
+ stats->rx_over_errors++;
+ stats->rx_errors++;
+
skb = alloc_can_err_skb(netdev, &cf);
if (!skb)
goto resubmit_urb;
@@ -396,8 +399,6 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
cf->can_id |= CAN_ERR_CRTL;
cf->can_dlc = CAN_ERR_DLC;
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
- stats->rx_over_errors++;
- stats->rx_errors++;
netif_rx(skb);
}
@@ -740,6 +741,8 @@ static int gs_can_close(struct net_device *netdev)
usb_kill_anchored_urbs(&dev->tx_submitted);
atomic_set(&dev->active_tx_urbs, 0);
+ dev->can.state = CAN_STATE_STOPPED;
+
/* reset the device */
rc = gs_cmd_reset(dev);
if (rc < 0)