[PATCH] net: stmmac: Abort loop after phydev is detected
From: xiaolinkui <hidden>
Date: 2020-03-26 03:30:27
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
A net_device only needs at most one phydev, There is no need to recycle the entire list after finding a phydev. Signed-off-by: xiaolinkui <redacted> --- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index cfe5d8b73142..6fb87cc18d65 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c@@ -431,6 +431,9 @@ int stmmac_mdio_register(struct net_device *ndev) phy_attached_info(phydev); found = 1; + + if (phydev->phy_id != 0) + goto bus_register_done; } if (!found && !mdio_node) {
--
2.17.1
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