diff options
| author | Maya Erez <qca_merez@qca.qualcomm.com> | 2016-01-28 19:24:02 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2016-02-02 14:05:56 +0200 |
| commit | 875e94392ad2be9776c8325d3573160eb1455a2b (patch) | |
| tree | 43b7a57a8847b70b2d3703dcacb74befccc6d72b /tools/perf/scripts/python/stackcollapse.py | |
| parent | 1286558e45fd90fd0faf5d41df35f511c51f25e7 (diff) | |
wil6210: prevent access to vring_tx_data lock during its init
wil_tx_vring locks the vring_tx_data lock before accessing the TX
vring to check if it is enabled and valid for use.
In case of quick disconnect / connect events for the same station,
spin_lock(&txdata->lock) can be called during the lock initialization
in the vring init function.
To prevent such a race, the TX vrings spin lock should be initialized
once during wil6210 driver initialization.
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions
