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TDLS: Clean up os_memcmp use

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Ciuple of the nonce comparisons used a strange '!os_memcmp() == 0' to
check if the values were different. While this resulted in correct
behavior, the construction is not exactly clear and clang has started
warning about this (-Wlogical-not-parentheses). Clean this up by using
'os_mecmp() != 0'.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2016-02-16 15:49:28 +02:00 committed by Jouni Malinen
parent b333f53f6e
commit 24c382af7a
1 changed files with 3 additions and 3 deletions
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6
src/rsn_supp/tdls.c
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@ -2339,7 +2339,7 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
kde.ftie, sizeof(*ftie));
ftie = (struct wpa_tdls_ftie *) kde.ftie;
if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
if (os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) != 0) {
wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M2 does "
"not match with FTIE SNonce used in TPK M1");
/* Silently discard the frame */
@ -2518,13 +2518,13 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
goto error;
}
if (!os_memcmp(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN) == 0) {
if (os_memcmp(peer->rnonce, ftie->Anonce, WPA_NONCE_LEN) != 0) {
wpa_printf(MSG_INFO, "TDLS: FTIE ANonce in TPK M3 does "
"not match with FTIE ANonce used in TPK M2");
goto error;
}
if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
if (os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) != 0) {
wpa_printf(MSG_INFO, "TDLS: FTIE SNonce in TPK M3 does not "
"match with FTIE SNonce used in TPK M1");
goto error;