Message ID | 7c740b51a4c307f655c4ae3003748329411313cb.1503917860.git.baolin.wang@linaro.org |
---|---|
State | Accepted |
Commit | eb3c74de28b24f5a36d12d6c84f1fceb25d12c4f |
Headers | show |
Series | usb: phy: Avoid unchecked dereference warning | expand |
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h index de881b1..8c69148 100644 --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -322,9 +322,12 @@ static inline void usb_phy_set_charger_state(struct usb_phy *usb_phy, static inline int usb_phy_set_power(struct usb_phy *x, unsigned mA) { + if (!x) + return 0; + usb_phy_set_charger_current(x, mA); - if (x && x->set_power) + if (x->set_power) return x->set_power(x, mA); return 0; }
Move the USB phy NULL checking before issuing usb_phy_set_charger_current() to avoid unchecked dereference warning. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> --- include/linux/usb/phy.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 1.7.9.5