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autoscan: Fix potential freeing of uninitialized pointer

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Commit 7c865c6853 introduced a code
path that can skip extra_ie initialization in wpa_supplicant_scan().
This could result in semi-random crashes when using the autoscan
mechanism. Fix this by initializing extra_ie to NULL.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-07-03 20:54:40 +03:00
parent daf10baf9e
commit b9b12d02f0
1 changed files with 1 additions and 1 deletions
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wpa_supplicant/scan.c
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@ -432,7 +432,7 @@ static void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
struct wpa_supplicant *wpa_s = eloop_ctx;
struct wpa_ssid *ssid;
int scan_req = 0, ret;
struct wpabuf *extra_ie;
struct wpabuf *extra_ie = NULL;
struct wpa_driver_scan_params params;
struct wpa_driver_scan_params *scan_params;
size_t max_ssids;