From 5ff2c7faedd13dfd27659181b5b156171e875847 Mon Sep 17 00:00:00 2001 From: Sasha Levitskiy Date: Thu, 1 Nov 2012 20:41:27 +0200 Subject: [PATCH] Add parameter checking and error reporting to wpa_blacklist API Signed-off-by: Sasha Levitskiy --- wpa_supplicant/blacklist.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/wpa_supplicant/blacklist.c b/wpa_supplicant/blacklist.c index fa8014c..2e01e7f 100644 --- a/wpa_supplicant/blacklist.c +++ b/wpa_supplicant/blacklist.c @@ -23,6 +23,9 @@ struct wpa_blacklist * wpa_blacklist_get(struct wpa_supplicant *wpa_s, { struct wpa_blacklist *e; + if (wpa_s == NULL || bssid == NULL) + return NULL; + e = wpa_s->blacklist; while (e) { 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; + if (wpa_s == NULL || bssid == NULL) + return -1; + e = wpa_blacklist_get(wpa_s, bssid); if (e) { e->count++; @@ -87,6 +93,9 @@ int wpa_blacklist_del(struct wpa_supplicant *wpa_s, const u8 *bssid) { struct wpa_blacklist *e, *prev = NULL; + if (wpa_s == NULL || bssid == NULL) + return -1; + e = wpa_s->blacklist; while (e) { if (os_memcmp(e->bssid, bssid, ETH_ALEN) == 0) { -- 2.1.4