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libusb: only cancel valid transfer

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This commit is contained in:
Matthias Ringwald 2017-08-18 15:58:35 +02:00
parent 84e268121e
commit 42a4782619
1 changed files with 9 additions and 3 deletions
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12
platform/libusb/hci_transport_h2_libusb.c
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@ -1133,14 +1133,20 @@ static int usb_close(void){
// Cancel all transfers, ignore warnings for this // Cancel all transfers, ignore warnings for this
libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_ERROR); libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_ERROR);
for (c = 0 ; c < EVENT_IN_BUFFER_COUNT ; c++) { for (c = 0 ; c < EVENT_IN_BUFFER_COUNT ; c++) {
libusb_cancel_transfer(event_in_transfer[c]); if (event_in_transfer[c]){
libusb_cancel_transfer(event_in_transfer[c]);
}
} }
for (c = 0 ; c < ACL_IN_BUFFER_COUNT ; c++) { for (c = 0 ; c < ACL_IN_BUFFER_COUNT ; c++) {
libusb_cancel_transfer(acl_in_transfer[c]); if (acl_in_transfer[c]){
libusb_cancel_transfer(acl_in_transfer[c]);
}
} }
#ifdef ENABLE_SCO_OVER_HCI #ifdef ENABLE_SCO_OVER_HCI
for (c = 0 ; c < SCO_IN_BUFFER_COUNT ; c++) { for (c = 0 ; c < SCO_IN_BUFFER_COUNT ; c++) {
libusb_cancel_transfer(sco_in_transfer[c]); if (sco_in_transfer[c]){
libusb_cancel_transfer(sco_in_transfer[c]);
}
} }
for (c = 0; c < SCO_OUT_BUFFER_COUNT ; c++){ for (c = 0; c < SCO_OUT_BUFFER_COUNT ; c++){
if (sco_out_transfers_in_flight[c]) { if (sco_out_transfers_in_flight[c]) {