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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>
hifive-unleashed-5.1
Baolin Wang 2017-08-28 19:02:41 +08:00 committed by Greg Kroah-Hartman
parent 06e74935c7
commit eb3c74de28
1 changed files with 4 additions and 1 deletions
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5
include/linux/usb/phy.h
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@ -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;
}