From: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> Add a few check on start of hif_join(). Signed-off-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx> --- drivers/staging/wfx/hif_tx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c index 77bca43aca42..445906035e9d 100644 --- a/drivers/staging/wfx/hif_tx.c +++ b/drivers/staging/wfx/hif_tx.c @@ -297,6 +297,8 @@ int hif_join(struct wfx_vif *wvif, const struct ieee80211_bss_conf *conf, struct hif_req_join *body = wfx_alloc_hif(sizeof(*body), &hif); WARN_ON(!conf->basic_rates); + WARN_ON(sizeof(body->ssid) < ssidlen); + WARN(!conf->ibss_joined && !ssidlen, "joining an unknown BSS"); body->infrastructure_bss_mode = !conf->ibss_joined; body->short_preamble = conf->use_short_preamble; if (channel && channel->flags & IEEE80211_CHAN_NO_IR) -- 2.25.1