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authorMaya Erez <[email protected]>2016-01-28 19:24:02 +0200
committerKalle Valo <[email protected]>2016-02-02 14:05:56 +0200
commit875e94392ad2be9776c8325d3573160eb1455a2b (patch)
tree43b7a57a8847b70b2d3703dcacb74befccc6d72b /tools/perf/scripts/python/failed-syscalls-by-pid.py
parent1286558e45fd90fd0faf5d41df35f511c51f25e7 (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 <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
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