diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-09-14 18:35:31 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-09-17 16:31:23 +0300 |
| commit | 8da77df649c43d9cec70d683ee317ba5d49d09b7 (patch) | |
| tree | 482523f3da161f261a0bb252553d78a2e851ac41 /drivers/net/phy | |
| parent | 002841be134e60994a34b510eebf5f091d0cd6c6 (diff) | |
| download | linux-8da77df649c43d9cec70d683ee317ba5d49d09b7.tar.xz | |
net: phy: always call phy_process_state_change() under lock
phy_stop() calls phy_process_state_change() while holding the phydev
lock, so also arrange for phy_state_machine() to do the same, so that
this function is called with consistent locking.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/phy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index df54c137c5f5..1e5218935eb3 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -1506,6 +1506,7 @@ void phy_state_machine(struct work_struct *work) if (err < 0) phy_error_precise(phydev, func, err); + mutex_lock(&phydev->lock); phy_process_state_change(phydev, old_state); /* Only re-schedule a PHY state machine change if we are polling the @@ -1516,7 +1517,6 @@ void phy_state_machine(struct work_struct *work) * state machine would be pointless and possibly error prone when * called from phy_disconnect() synchronously. */ - mutex_lock(&phydev->lock); if (phy_polling_mode(phydev) && phy_is_started(phydev)) phy_queue_state_machine(phydev, PHY_STATE_TIME); mutex_unlock(&phydev->lock); |