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Avoid compiler warning about potentially unaligned pointer value

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(&mgmt->u.deauth.reason_code + 1) is not exactly clean and now that we
have the u8 variable[] member in the struct after this field, use that
directly to avoid clang compiler warning:
ctrl_iface_ap.c:454:18: error: taking address of packed member
      'reason_code' of class or structure 'ieee80211_mgmt::(anonymous
      union)::(anonymous)' may result in an unaligned pointer value
      [-Werror,-Waddress-of-packed-member]

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-02-23 17:57:23 +02:00
parent cce974d367
commit aaa6b14984
1 changed files with 3 additions and 3 deletions
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6
src/ap/ctrl_iface_ap.c
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@ -1,6 +1,6 @@
/*
* Control interface for shared AP commands
* Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -451,11 +451,11 @@ static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
if (stype == WLAN_FC_STYPE_DEAUTH) {
mgmt->u.deauth.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = (u8 *) (&mgmt->u.deauth.reason_code + 1);
pos = mgmt->u.deauth.variable;
} else {
mgmt->u.disassoc.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = (u8 *) (&mgmt->u.disassoc.reason_code + 1);
pos = mgmt->u.disassoc.variable;
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;