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Add parameter checking and error reporting to wpa_blacklist API

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Signed-off-by: Sasha Levitskiy <sanek@google.com>
This commit is contained in:
Sasha Levitskiy 2012-11-01 20:41:27 +02:00 committed by Jouni Malinen
parent b363121a20
commit 5ff2c7faed
1 changed files with 9 additions and 0 deletions
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9
wpa_supplicant/blacklist.c
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@ -23,6 +23,9 @@ struct wpa_blacklist * wpa_blacklist_get(struct wpa_supplicant *wpa_s,
{ {
struct wpa_blacklist *e; struct wpa_blacklist *e;
if (wpa_s == NULL || bssid == NULL)
return NULL;
e = wpa_s->blacklist; e = wpa_s->blacklist;
while (e) { while (e) {
if (os_memcmp(e->bssid, bssid, ETH_ALEN) == 0) if (os_memcmp(e->bssid, bssid, ETH_ALEN) == 0)
@ -54,6 +57,9 @@ int wpa_blacklist_add(struct wpa_supplicant *wpa_s, const u8 *bssid)
{ {
struct wpa_blacklist *e; struct wpa_blacklist *e;
if (wpa_s == NULL || bssid == NULL)
return -1;
e = wpa_blacklist_get(wpa_s, bssid); e = wpa_blacklist_get(wpa_s, bssid);
if (e) { if (e) {
e->count++; e->count++;
@ -87,6 +93,9 @@ int wpa_blacklist_del(struct wpa_supplicant *wpa_s, const u8 *bssid)
{ {
struct wpa_blacklist *e, *prev = NULL; struct wpa_blacklist *e, *prev = NULL;
if (wpa_s == NULL || bssid == NULL)
return -1;
e = wpa_s->blacklist; e = wpa_s->blacklist;
while (e) { while (e) {
if (os_memcmp(e->bssid, bssid, ETH_ALEN) == 0) { if (os_memcmp(e->bssid, bssid, ETH_ALEN) == 0) {