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| author | Jouni Malinen <j@w1.fi> | 2015-07-25 19:52:27 +0300 |
|---|---|---|
| committer | Linux Build Service Account <lnxbuild@localhost> | 2015-10-06 03:19:55 -0600 |
| commit | 2d13cad04acae94b2d3991e432c62b36abe9509d (patch) | |
| tree | 46b92192bca030ffe5f5df9d2467df69d91c4ef1 /hostapd | |
| parent | cc8915600ad4b8bae41a5b37193f3684e9974707 (diff) | |
| download | android_external_wpa_supplicant_8-2d13cad04acae94b2d3991e432c62b36abe9509d.tar.gz android_external_wpa_supplicant_8-2d13cad04acae94b2d3991e432c62b36abe9509d.tar.bz2 android_external_wpa_supplicant_8-2d13cad04acae94b2d3991e432c62b36abe9509d.zip | |
FST: Do not replace previous attachment
hapd->iface->fst must not be overridden if it is already pointing to FST
instance. Without this, duplicated FST-ATTACH could result in memory
leak and process termination.
Change-Id: Ib2f13d8661c8561b2bf75e821a9bd6621c10c94b
Signed-off-by: Jouni Malinen <j@w1.fi>
Git-commit: ff7a4bd13fe4a0058c5b865d390a7d57646a8d1e
Git-repo: git://w1.fi/srv/git/hostap.git
CRs-Fixed: 891455
Diffstat (limited to 'hostapd')
| -rw-r--r-- | hostapd/ctrl_iface.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c index f9e317e5..ea8e0f8f 100644 --- a/hostapd/ctrl_iface.c +++ b/hostapd/ctrl_iface.c @@ -2479,6 +2479,10 @@ hostapd_global_ctrl_iface_fst_attach(struct hapd_interfaces *interfaces, if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) { hapd = hostapd_get_iface(interfaces, ifname); if (hapd) { + if (hapd->iface->fst) { + wpa_printf(MSG_INFO, "FST: Already attached"); + return -1; + } fst_hostapd_fill_iface_obj(hapd, &iface_obj); hapd->iface->fst = fst_attach(ifname, hapd->own_addr, &iface_obj, &cfg); |