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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-11 09:10:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-11 09:10:42 +0100 |
| commit | e045e18dbf3eaac32cdeb2799a5ec84fa694636c (patch) | |
| tree | d105f70b32d8d0af07e2c5688849c93d25832933 /drivers/leds/trigger/ledtrig-netdev.c | |
| parent | ae5af710f369a4d88792bf1d9da317884156cd87 (diff) | |
| parent | a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 (diff) | |
| download | linux-e045e18dbf3eaac32cdeb2799a5ec84fa694636c.tar.gz linux-e045e18dbf3eaac32cdeb2799a5ec84fa694636c.tar.bz2 linux-e045e18dbf3eaac32cdeb2799a5ec84fa694636c.zip | |
Merge 6.7-rc5 into tty-next
We need the serial fixes in here as well to build off of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/leds/trigger/ledtrig-netdev.c')
| -rw-r--r-- | drivers/leds/trigger/ledtrig-netdev.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index e358e77e4b38..d76214fa9ad8 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -226,6 +226,11 @@ static int set_device_name(struct led_netdev_data *trigger_data, cancel_delayed_work_sync(&trigger_data->work); + /* + * Take RTNL lock before trigger_data lock to prevent potential + * deadlock with netdev notifier registration. + */ + rtnl_lock(); mutex_lock(&trigger_data->lock); if (trigger_data->net_dev) { @@ -245,16 +250,14 @@ static int set_device_name(struct led_netdev_data *trigger_data, trigger_data->carrier_link_up = false; trigger_data->link_speed = SPEED_UNKNOWN; trigger_data->duplex = DUPLEX_UNKNOWN; - if (trigger_data->net_dev != NULL) { - rtnl_lock(); + if (trigger_data->net_dev) get_device_state(trigger_data); - rtnl_unlock(); - } trigger_data->last_activity = 0; set_baseline_state(trigger_data); mutex_unlock(&trigger_data->lock); + rtnl_unlock(); return 0; } |