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fix -Werror=null-dereference warning

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hathach 2023-11-03 22:34:49 +07:00
parent 4b9320e40e
commit 9377fd6901
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1 changed files with 6 additions and 2 deletions
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8
src/host/usbh.c
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@ -554,8 +554,12 @@ bool tuh_control_xfer (tuh_xfer_t* xfer) {
// Check if device is still connected (enumerating for dev0)
uint8_t const daddr = xfer->daddr;
if ( daddr == 0 && !_dev0.enumerating) return false;
if ( daddr != 0 && get_device(daddr)->connected == 0) return false;
if ( daddr == 0 ) {
if (!_dev0.enumerating) return false;
} else {
usbh_device_t const* dev = get_device(daddr);
if (dev && dev->connected == 0) return false;
}
// pre-check to help reducing mutex lock
TU_VERIFY(_ctrl_xfer.stage == CONTROL_STAGE_IDLE);