diff options
| -rw-r--r-- | net/bluetooth/rfcomm/core.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index d301fbb..d9e97cf 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -493,12 +493,34 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err) int rfcomm_dlc_close(struct rfcomm_dlc *d, int err) { - int r; + int r = 0; + struct rfcomm_dlc *d_list; + struct rfcomm_session *s, *s_list; + + BT_DBG("dlc %p state %ld dlci %d err %d", d, d->state, d->dlci, err); rfcomm_lock(); - r = __rfcomm_dlc_close(d, err); + s = d->session; + if (!s) + goto no_session; + + /* after waiting on the mutex check the session still exists + * then check the dlc still exists + */ + list_for_each_entry(s_list, &session_list, list) { + if (s_list == s) { + list_for_each_entry(d_list, &s->dlcs, list) { + if (d_list == d) { + r = __rfcomm_dlc_close(d, err); + break; + } + } + break; + } + } +no_session: rfcomm_unlock(); return r; } |