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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:33 +0000
commit282c335ad1bf4d21fcedff132e19995c24c09adc (patch)
treed24dc7bfbb3a6b4bfd5b46964347ada86f72d751 /drivers/net/can/dev/dev.c
parentAdding upstream version 4.19.289. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.304.upstream/4.19.304upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/net/can/dev/dev.c (renamed from drivers/net/can/dev.c)10
1 files changed, 6 insertions, 4 deletions
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)