Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[Backport v1.14-branch] Bluetooth: Fix deadlock issues when running low on buffers #17195

Merged
merged 2 commits into from
Jul 2, 2019
Merged

[Backport v1.14-branch] Bluetooth: Fix deadlock issues when running low on buffers #17195

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
cda7dc8
Bluetooth: Add dedicated pool for HCI_Num_Completed_Packets HCI event
Jun 17, 2019
c19eaa9
Bluetooth: Introduce separate pool for discardable events
Jun 28, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 3 additions & 8 deletions drivers/bluetooth/hci/h4.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -165,16 +165,11 @@ static struct net_buf *get_rx(int timeout)
{
BT_DBG("type 0x%02x, evt 0x%02x", rx.type, rx.evt.evt);

if (rx.type == H4_EVT && (rx.evt.evt == BT_HCI_EVT_CMD_COMPLETE ||
rx.evt.evt == BT_HCI_EVT_CMD_STATUS)) {
return bt_buf_get_cmd_complete(timeout);
if (rx.type == H4_EVT) {
return bt_buf_get_evt(rx.evt.evt, rx.discardable, timeout);
}

if (rx.type == H4_ACL) {
return bt_buf_get_rx(BT_BUF_ACL_IN, timeout);
} else {
return bt_buf_get_rx(BT_BUF_EVT, timeout);
}
return bt_buf_get_rx(BT_BUF_ACL_IN, timeout);
}

static void rx_thread(void *p1, void *p2, void *p3)
Expand Down
11 changes: 1 addition & 10 deletions drivers/bluetooth/hci/h5.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -408,16 +408,7 @@ static inline struct net_buf *get_evt_buf(u8_t evt)
{
struct net_buf *buf;

switch (evt) {
case BT_HCI_EVT_CMD_COMPLETE:
case BT_HCI_EVT_CMD_STATUS:
buf = bt_buf_get_cmd_complete(K_NO_WAIT);
break;
default:
buf = bt_buf_get_rx(BT_BUF_EVT, K_NO_WAIT);
break;
}

buf = bt_buf_get_evt(evt, false, K_NO_WAIT);
if (buf) {
net_buf_add_u8(h5.rx_buf, evt);
}
Expand Down
Loading