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WPS UPnP: Check os_get_random() result more consistently

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While the value here would not matter much, make the implementation more
consistent (CID 72692).

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-10-11 19:08:30 +03:00
parent e7b96ecdb3
commit 683b408a9e
1 changed files with 2 additions and 1 deletions
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3
src/wps/wps_upnp_ssdp.c
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@ -317,7 +317,8 @@ static void advertisement_state_machine_handler(void *eloop_data,
* (see notes above) * (see notes above)
*/ */
next_timeout_msec = 0; next_timeout_msec = 0;
os_get_random((void *) &r, sizeof(r)); if (os_get_random((void *) &r, sizeof(r)) < 0)
r = 32768;
next_timeout_sec = UPNP_CACHE_SEC / 4 + next_timeout_sec = UPNP_CACHE_SEC / 4 +
(((UPNP_CACHE_SEC / 4) * r) >> 16); (((UPNP_CACHE_SEC / 4) * r) >> 16);
sm->advertise_count++; sm->advertise_count++;