diff options
| author |   Balakrishna Godavarthi <bgodavar@codeaurora.org> | 2018-08-22 17:34:12 +0530 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2018-09-27 11:59:58 +0200 |
| commit | 5a637751e216de2cad77f24f92b9e97e61e459d9 (patch) | |
| tree | 785040a68ed7202d218b21efee4c282e3c82b404 /tools/perf/scripts/python/syscall-counts.py | |
| parent | Bluetooth: hci_serdev: clear HCI_UART_PROTO_READY to avoid closing proto races (diff) | |
| download | wireguard-linux-5a637751e216de2cad77f24f92b9e97e61e459d9.tar.xz wireguard-linux-5a637751e216de2cad77f24f92b9e97e61e459d9.zip | |
Bluetooth: hci_serdev: Add protocol check in hci_uart_dequeue().
This will help to check the status of protocol while dequeuing an
skb packet. In some instaces we will end up kernel crash,
where proto close is called and we trying to dequeue an packet.
[ 500.142902] [<ffffff80080f9ce4>] do_raw_spin_lock+0x1c/0xe0
[ 500.148643] [<ffffff80088f1c7c>] _raw_spin_lock_irqsave+0x38/0x48
[ 500.154917] [<ffffff8008780ce8>] skb_dequeue+0x28/0x84
[ 500.160209] [<ffffff8000ad6f48>] 0xffffff8000ad6f48
[ 500.165230] [<ffffff8000ad6610>] 0xffffff8000ad6610
[ 500.170257] [<ffffff80080c7ce8>] process_one_work+0x238/0x3e4
[ 500.176174] [<ffffff80080c8330>] worker_thread+0x2bc/0x3d4
[ 500.181821] [<ffffff80080cdabc>] kthread+0x138/0x140
[ 500.186945] [<ffffff80080844e0>] ret_from_fork+0x10/0x18
Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions