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The P2P implementation assumes that the first wpa_s interface instance is used to manage P2P operations and the P2P module maintains a pointer to this interface in msg_ctx. This can result in issues (e.g., use of freed memory) when the management interface is removed. Fix this by deinitializing global P2P data if the interface that created it is removed. This will disable P2P until the next interface is added. Signed-hostap: Jouni Malinen <j@w1.fi> intended-for: hostap-1
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