staging: nvec: Reject incomplete messages (210ceb4f) · Commits · 戴 / test

Reject incomplete messages, causing the request to be transmitted again. This should fix various problems out there. Signed-off-by:

drivers/staging/nvec/nvec.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -439,11 +439,16 @@ static void nvec_tx_completed(struct nvec_chip *nvec)
		*/
		static void nvec_rx_completed(struct nvec_chip *nvec)
		{
		if (nvec->rx->pos != nvec_msg_size(nvec->rx))
		if (nvec->rx->pos != nvec_msg_size(nvec->rx)) {
		dev_err(nvec->dev, "RX incomplete: Expected %u bytes, got %u\n",
		(uint) nvec_msg_size(nvec->rx),
		(uint) nvec->rx->pos);

		nvec_msg_free(nvec, nvec->rx);
		nvec->state = 0;
		return;
		}

		spin_lock(&nvec->rx_lock);

		/* add the received data to the work list