uwb: add error messages when reservation establish fails (7b360ee0) · Commits · 戴 / test

drivers/uwb/beacon.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -125,8 +125,10 @@ int uwb_rc_beacon(struct uwb_rc *rc, int channel, unsigned bpst_offset)
		else {
		/* channel >= 0...dah */
		result = uwb_rc_start_beacon(rc, bpst_offset, channel);
		if (result < 0)
		if (result < 0) {
		dev_err(dev, "Cannot start beaconing: %d\n", result);
		return result;
		}
		if (le16_to_cpu(rc->ies->wIELength) > 0) {
		result = uwb_rc_set_ie(rc, rc->ies);
		if (result < 0) {

+12 −2

Original line number	Diff line number	Diff line
		@@ -163,8 +163,10 @@ static int uwb_rsv_get_stream(struct uwb_rsv *rsv)
		}

		stream = find_first_zero_bit(streams_bm, UWB_NUM_STREAMS);
		if (stream >= UWB_NUM_STREAMS)
		if (stream >= UWB_NUM_STREAMS) {
		dev_err(dev, "%s: no available stream found\n", __func__);
		return -EBUSY;
		}

		rsv->stream = stream;
		set_bit(stream, streams_bm);
		@@ -555,12 +557,16 @@ int uwb_rsv_establish(struct uwb_rsv *rsv)
		{
		struct uwb_rc *rc = rsv->rc;
		struct uwb_mas_bm available;
		struct device *dev = &rc->uwb_dev.dev;
		int ret;

		mutex_lock(&rc->rsvs_mutex);
		ret = uwb_rsv_get_stream(rsv);
		if (ret)
		if (ret) {
		dev_err(dev, "%s: uwb_rsv_get_stream failed: %d\n",
		__func__, ret);
		goto out;
		}

		rsv->tiebreaker = prandom_u32() & 1;
		/* get available mas bitmap */
		@@ -570,12 +576,16 @@ int uwb_rsv_establish(struct uwb_rsv *rsv)
		if (ret == UWB_RSV_ALLOC_NOT_FOUND) {
		ret = -EBUSY;
		uwb_rsv_put_stream(rsv);
		dev_err(dev, "%s: uwb_rsv_find_best_allocation failed: %d\n",
		__func__, ret);
		goto out;
		}

		ret = uwb_drp_avail_reserve_pending(rc, &rsv->mas);
		if (ret != 0) {
		uwb_rsv_put_stream(rsv);
		dev_err(dev, "%s: uwb_drp_avail_reserve_pending failed: %d\n",
		__func__, ret);
		goto out;
		}