diff options
Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2x00link.c')
| -rw-r--r-- | drivers/net/wireless/ralink/rt2x00/rt2x00link.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00link.c b/drivers/net/wireless/ralink/rt2x00/rt2x00link.c index 73cbf23b17ef..2010a7715f21 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00link.c @@ -363,6 +363,9 @@ static void rt2x00link_tuner(struct work_struct *work) test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) return; + /* Do not race with rt2x00mac_config(). */ + mutex_lock(&rt2x00dev->conf_mutex); + if (rt2x00dev->intf_sta_count) rt2x00link_tuner_sta(rt2x00dev, link); @@ -375,6 +378,8 @@ static void rt2x00link_tuner(struct work_struct *work) (link->count % (VCO_SECONDS / LINK_TUNE_SECONDS)) == 0) rt2x00dev->ops->lib->vco_calibration(rt2x00dev); + mutex_unlock(&rt2x00dev->conf_mutex); + /* * Increase tuner counter, and reschedule the next link tuner run. */ |