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Fix potential overflow in P2P code #1

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Fix potential overflow in P2P code #1

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4 changes: 4 additions & 0 deletions drivers/net/wireless/rtlwifi/ps.c
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Original file line number Diff line number Diff line change
Expand Up @@ -698,6 +698,8 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
return;
} else {
noa_num = (noa_len - 2) / 13;
if (noa_num > P2P_MAX_NOA_NUM)
noa_num = P2P_MAX_NOA_NUM;
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
Expand Down Expand Up @@ -792,6 +794,8 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data,
return;
} else {
noa_num = (noa_len - 2) / 13;
if (noa_num > P2P_MAX_NOA_NUM)
noa_num = P2P_MAX_NOA_NUM;
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
Expand Down