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usb_queue: Disable interrupts when allocating transfer

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