Commit eb3c74de authored Aug 28, 2017 by Baolin Wang Committed by Greg Kroah-Hartman Aug 31, 2017

usb: phy: Avoid unchecked dereference warning



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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 06e74935

include/linux/usb/phy.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}