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wifi: rtw88: add mutex when set SAR

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Applying SAR will access hal data, it should hold rtwdev::mutex
to avoid hal data changed during setting flow.

Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220809084107.38137-2-pkshih@realtek.com
This commit is contained in:
Chih-Kang Chang 2022-08-09 16:41:01 +08:00 committed by Kalle Valo
parent 2eee3db784
commit 9a72db4133
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/realtek/rtw88/mac80211.c
View file

@ -875,7 +875,9 @@ static int rtw_ops_set_sar_specs(struct ieee80211_hw *hw,
{
struct rtw_dev *rtwdev = hw->priv;
mutex_lock(&rtwdev->mutex);
rtw_set_sar_specs(rtwdev, sar);
mutex_unlock(&rtwdev->mutex);
return 0;
}