diff options
Diffstat (limited to 'drivers/edgetpu/edgetpu-mailbox.c')
| -rw-r--r-- | drivers/edgetpu/edgetpu-mailbox.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/edgetpu/edgetpu-mailbox.c b/drivers/edgetpu/edgetpu-mailbox.c index f5ef44b..869fdec 100644 --- a/drivers/edgetpu/edgetpu-mailbox.c +++ b/drivers/edgetpu/edgetpu-mailbox.c @@ -244,8 +244,8 @@ edgetpu_mailbox_vii_add(struct edgetpu_mailbox_manager *mgr, uint id) /* * Every mailbox manager can allocate one mailbox for KCI to use. - * -EBUSY is returned if the KCI mailbox is allocated and hasn't been removed - * via edgetpu_mailbox_remove(). + * Previously allocated KCI mailbox is returned if it hasn't been removed via + * edgetpu_mailbox_remove(). */ struct edgetpu_mailbox *edgetpu_mailbox_kci(struct edgetpu_mailbox_manager *mgr) { @@ -254,7 +254,7 @@ struct edgetpu_mailbox *edgetpu_mailbox_kci(struct edgetpu_mailbox_manager *mgr) write_lock_irqsave(&mgr->mailboxes_lock, flags); if (mgr->mailboxes[KERNEL_MAILBOX_INDEX]) { - mailbox = ERR_PTR(-EBUSY); + mailbox = mgr->mailboxes[KERNEL_MAILBOX_INDEX]; goto out; } |