WNM: Skip os_memcpy in wnmtfs_ie is NULL

It is cleaner to skip the memcpy call instead of trusting on the
length parameter being 0 in this case.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-12-16 19:48:39 +02:00
parent 835822d404
commit a8e93a1a01

View file

@ -132,6 +132,7 @@ static int ieee802_11_send_wnmsleep_resp(struct hostapd_data *hapd,
os_memcpy(pos, &wnmsleep_ie, wnmsleep_ie_len);
/* copy TFS IE here */
pos += wnmsleep_ie_len;
if (wnmtfs_ie)
os_memcpy(pos, wnmtfs_ie, wnmtfs_ie_len);
len = 1 + sizeof(mgmt->u.action.u.wnm_sleep_resp) + gtk_elem_len +