usb_queue: Disable interrupts when allocating transfer

2013-07-07 21:25:31 -04:00
parent cce17c42fd
commit e23cc9bd6c
1 changed files with 2 additions and 0 deletions
--- a/firmware/hackrf_usb/usb_queue.c
+++ b/firmware/hackrf_usb/usb_queue.c
@ -62,8 +62,10 @@ void usb_queue_init() {
 static usb_transfer_t* allocate_transfer()
 {
        while (free_transfers == NULL);
+        cm_disable_interrupts();
        usb_transfer_t* const transfer = free_transfers;
        free_transfers = transfer->next;
+        cm_enable_interrupts();
        return transfer;
 }