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| author | Thomas Pugliese <thomas.pugliese@gmail.com> | 2014-04-25 10:30:33 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-27 14:56:54 -0700 |
| commit | 7b360ee09a8bec5783cbecdcb17cd8d70edadf56 (patch) | |
| tree | 1f0e15c0e2e5e5c7b3ce1ce6fbebe5f1bde7b24c /drivers/uwb | |
| parent | 90ec00d54e28f4b038e66905ea5b9478bcdc3f37 (diff) | |
| download | linux-stable-7b360ee09a8bec5783cbecdcb17cd8d70edadf56.tar.gz linux-stable-7b360ee09a8bec5783cbecdcb17cd8d70edadf56.tar.bz2 linux-stable-7b360ee09a8bec5783cbecdcb17cd8d70edadf56.zip | |
uwb: add error messages when reservation establish fails
Add better error messages during the channel change/reservation establish
process.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uwb')
| -rw-r--r-- | drivers/uwb/beacon.c | 4 | ||||
| -rw-r--r-- | drivers/uwb/rsv.c | 14 |
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c index 57b5ff61020c..b476187adf55 100644 --- a/drivers/uwb/beacon.c +++ b/drivers/uwb/beacon.c @@ -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) { diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c index 4026f1adff01..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); @@ -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; } |