mirror of https://gitee.com/openkylin/linux.git
ath6kl: fix atomicity in ath6kl_cfg80211_scan_node()
ath6kl_cfg80211_scan_node() was calling cfg80211_inform_bss_frame() with CFP_KERNEL but the function is executed with a spin lock taken. This is wrong and the function must use GFP_ATOMIC instead. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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@ -720,6 +720,7 @@ static inline bool is_ch_11a(u16 ch)
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return (!((ch >= 2412) && (ch <= 2484)));
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}
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/* struct ath6kl_node_table::nt_nodelock is locked when calling this */
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static void ath6kl_cfg80211_scan_node(void *arg, struct bss *ni)
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{
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struct wiphy *wiphy = (struct wiphy *)arg;
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@ -769,7 +770,7 @@ static void ath6kl_cfg80211_scan_node(void *arg, struct bss *ni)
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"%s: bssid %pM ch %d freq %d size %d\n", __func__,
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mgmt->bssid, channel->hw_value, freq, size);
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cfg80211_inform_bss_frame(wiphy, channel, mgmt,
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size, signal, GFP_KERNEL);
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size, signal, GFP_ATOMIC);
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kfree(ieeemgmtbuf);
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}
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