Commit a6bdff3f authored by Jérôme Pouiller's avatar Jérôme Pouiller Committed by Greg Kroah-Hartman
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staging: wfx: add sanity checks to hif_join() 



Add a few check on start of hif_join().

Reviewed-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarJérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200401110405.80282-2-Jerome.Pouiller@silabs.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a920f3be

drivers/staging/wfx/hif_tx.c

+2 −0
Original line number Diff line number Diff line
@@ -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)

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