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Merge pull request #10653 from desowin/stm-usb-host 

STM USBHALHost: Fix NULL pointer dereference
pull/10776/head
Martin Kojtal 2019-06-09 18:01:46 +01:00 committed by GitHub
parent a2c029404b 5d33fe1dfa
commit df84eb1b28
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 3 deletions
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10
features/unsupported/USBHost/targets/TARGET_STM/USBHALHost_STM.h
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@ -122,10 +122,14 @@ static gpio_t gpio_powerpin;
void usb_vbus(uint8_t state) void usb_vbus(uint8_t state)
{ {
if (state == 0) { if (gpio_powerpin.reg_set && gpio_powerpin.reg_clr) {
gpio_write(&gpio_powerpin, USB_POWER_OFF); if (state == 0) {
gpio_write(&gpio_powerpin, USB_POWER_OFF);
} else {
gpio_write(&gpio_powerpin, USB_POWER_ON);
}
} else { } else {
gpio_write(&gpio_powerpin, USB_POWER_ON); /* The board does not have GPIO pin to control usb supply */
} }
wait(0.2); wait(0.2);
} }