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path: root/drivers/uwb/rsv.c
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Diffstat (limited to 'drivers/uwb/rsv.c')
-rw-r--r--drivers/uwb/rsv.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c
index 3fe611941046..0887ae982783 100644
--- a/drivers/uwb/rsv.c
+++ b/drivers/uwb/rsv.c
@@ -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);
@@ -249,7 +251,9 @@ static void uwb_rsv_stroke_timer(struct uwb_rsv *rsv)
* super frame and should not be terminated if no response is
* received.
*/
- if (rsv->is_multicast) {
+ if (rsv->state == UWB_RSV_STATE_NONE) {
+ sframes = 0;
+ } else if (rsv->is_multicast) {
if (rsv->state == UWB_RSV_STATE_O_INITIATED
|| rsv->state == UWB_RSV_STATE_O_MOVE_EXPANDING
|| rsv->state == UWB_RSV_STATE_O_MOVE_COMBINING
@@ -322,6 +326,7 @@ void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
switch (new_state) {
case UWB_RSV_STATE_NONE:
uwb_rsv_state_update(rsv, UWB_RSV_STATE_NONE);
+ uwb_rsv_remove(rsv);
uwb_rsv_callback(rsv);
break;
case UWB_RSV_STATE_O_INITIATED:
@@ -442,6 +447,8 @@ static void uwb_rsv_handle_timeout_work(struct work_struct *work)
uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
uwb_drp_avail_release(rsv->rc, &rsv->mv.companion_mas);
goto unlock;
+ case UWB_RSV_STATE_NONE:
+ goto unlock;
default:
break;
}
@@ -550,12 +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 */
@@ -565,12 +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;
}