From: Fabrice Gasnier <fabrice.gasn...@st.com>
phy_bus_name can be NULL when "fixed-link" property isn't used.
Then, since "stmmac: do not poll phy handler when attach a switch",
phy_bus_name ptr needs to be checked before strcmp is called.
Signed-off-by: Fabrice Gasnier <fabrice.gasn...@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavall...@st.com>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 76ca54c..879cf77 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -883,8 +883,9 @@ static int stmmac_init_phy(struct net_device *dev)
}
/* If attached to a switch, there is no reason to poll phy handler */
- if (!strcmp(priv->plat->phy_bus_name, "fixed"))
- phydev->irq = PHY_IGNORE_INTERRUPT;
+ if (priv->plat->phy_bus_name)
+ if (!strcmp(priv->plat->phy_bus_name, "fixed"))
+ phydev->irq = PHY_IGNORE_INTERRUPT;
pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)"
" Link = %d\n", dev->name, phydev->phy_id, phydev->link);
--
1.7.4.4
--
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