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EAP-SIM server: Avoid void pointer arithmetic

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This is a compiler specific extension and not compliant with the C
standard.

Fixes: 1c16b257a0 ("EAP-SIM: Add Session-Id derivation during fast-reauth")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-07-24 19:35:14 +03:00 committed by Jouni Malinen
parent cfc9ebea03
commit fe2e1edf43
1 changed files with 1 additions and 1 deletions
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2
src/eap_server/eap_server_sim.c
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@ -286,7 +286,7 @@ static struct wpabuf * eap_sim_build_reauth(struct eap_sm *sm,
* Session-Id calculation after receiving response from the peer and
* after all other checks pass. */
os_memcpy(data->reauth_mac,
wpabuf_head(buf) + wpabuf_len(buf) - EAP_SIM_MAC_LEN,
wpabuf_head_u8(buf) + wpabuf_len(buf) - EAP_SIM_MAC_LEN,
EAP_SIM_MAC_LEN);
return buf;