rsi: fix null pointer dereference during rsi_shutdown()
Appearently the hw pointer can be NULL while the module is loaded and in that case rsi_shutdown() crashes due to the unconditional dereference. Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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@ -1468,12 +1468,15 @@ static void rsi_shutdown(struct device *dev)
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struct rsi_91x_sdiodev *sdev =
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(struct rsi_91x_sdiodev *)adapter->rsi_dev;
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struct ieee80211_hw *hw = adapter->hw;
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struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
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rsi_dbg(ERR_ZONE, "SDIO Bus shutdown =====>\n");
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if (rsi_config_wowlan(adapter, wowlan))
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rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
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if (hw) {
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struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
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if (rsi_config_wowlan(adapter, wowlan))
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rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
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}
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if (IS_ENABLED(CONFIG_RSI_COEX) && adapter->priv->coex_mode > 1 &&
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adapter->priv->bt_adapter) {
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