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PASN: Use a helper function to free radio work data

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This is safer in avoiding memory leaks now that there is a dynamically
allocated member within the data struct.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2021-03-21 18:33:17 +02:00
parent 349e9eafbb
commit 37306a0042
1 changed files with 12 additions and 8 deletions
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20
wpa_supplicant/pasn_supplicant.c
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@ -37,6 +37,14 @@ struct wpa_pasn_auth_work {
};
static void wpas_pasn_free_auth_work(struct wpa_pasn_auth_work *awork)
{
wpabuf_free(awork->comeback);
awork->comeback = NULL;
os_free(awork);
}
static void wpas_pasn_auth_work_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
@ -1134,8 +1142,7 @@ static void wpas_pasn_auth_start_cb(struct wpa_radio_work *work, int deinit)
wpa_s->pasn_auth_work = NULL;
}
wpabuf_free(awork->comeback);
os_free(awork);
wpas_pasn_free_auth_work(awork);
return;
}
@ -1176,9 +1183,7 @@ static void wpas_pasn_auth_start_cb(struct wpa_radio_work *work, int deinit)
wpa_s->pasn_auth_work = work;
return;
fail:
wpabuf_free(awork->comeback);
awork->comeback = NULL;
os_free(awork);
wpas_pasn_free_auth_work(awork);
work->ctx = NULL;
radio_work_done(work);
}
@ -1235,15 +1240,14 @@ int wpas_pasn_auth_start(struct wpa_supplicant *wpa_s, const u8 *bssid,
if (comeback && comeback_len) {
awork->comeback = wpabuf_alloc_copy(comeback, comeback_len);
if (!awork->comeback) {
os_free(awork);
wpas_pasn_free_auth_work(awork);
return -1;
}
}
if (radio_add_work(wpa_s, bss->freq, "pasn-start-auth", 1,
wpas_pasn_auth_start_cb, awork) < 0) {
wpabuf_free(awork->comeback);
os_free(awork);
wpas_pasn_free_auth_work(awork);
return -1;
}