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Most PHY functions do this, only the formerly static inline attribute dereferences did not. Signed-off-by: Vladimir Oltean --- v2->v5: none v1->v2: patch is new --- drivers/phy/phy-core.c | 9 ++++++++- include/linux/phy/phy.h | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index a1aff00fba7c..0d0be494cfd7 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -624,19 +624,26 @@ EXPORT_SYMBOL_GPL(phy_validate); enum phy_mode phy_get_mode(struct phy *phy) { + if (!phy) + return PHY_MODE_INVALID; + return phy->attrs.mode; } EXPORT_SYMBOL_GPL(phy_get_mode); int phy_get_bus_width(struct phy *phy) { + if (!phy) + return 0; + return phy->attrs.bus_width; } EXPORT_SYMBOL_GPL(phy_get_bus_width); void phy_set_bus_width(struct phy *phy, int bus_width) { - phy->attrs.bus_width = bus_width; + if (phy) + phy->attrs.bus_width = bus_width; } EXPORT_SYMBOL_GPL(phy_set_bus_width); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index f208edd25afe..a7e2432ca1ae 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -248,6 +248,8 @@ static inline int phy_notify_state(struct phy *phy, union phy_notify state) static inline int phy_get_bus_width(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; }