diff options
Diffstat (limited to 'drivers/edgetpu/edgetpu-kci.c')
| -rw-r--r-- | drivers/edgetpu/edgetpu-kci.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/edgetpu/edgetpu-kci.c b/drivers/edgetpu/edgetpu-kci.c index fd52c3c..52eff65 100644 --- a/drivers/edgetpu/edgetpu-kci.c +++ b/drivers/edgetpu/edgetpu-kci.c @@ -201,10 +201,7 @@ static void edgetpu_reverse_kci_init(struct edgetpu_reverse_kci *rkci) * 2. #seq == @resp->seq: * - Copy @resp, pop the head and we're done. * 3. #seq < @resp->seq: - * - Should not happen, this implies the sequence number of either entries in - * wait_list or responses are out-of-order, or remote didn't respond to a - * command. In this case, the status of response will be set to - * KCI_STATUS_NO_RESPONSE. + * - Probable race with another context also processing KCI responses, ignore. * - Pop until case 1. or 2. */ static void edgetpu_kci_consume_wait_list( @@ -225,10 +222,7 @@ static void edgetpu_kci_consume_wait_list( kfree(cur); break; } - /* #seq < @resp->seq */ - cur->resp->status = KCI_STATUS_NO_RESPONSE; - list_del(&cur->list); - kfree(cur); + /* #seq < @resp->seq, probable race with another consumer, let it handle. */ } spin_unlock_irqrestore(&kci->wait_list_lock, flags); |