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nl80211: Check nla_nest_start() result for NL80211_ATTR_HE_OBSS_PD

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nla_nest_start() might fail, so need to check its return value similarly
to all the other callers.

Fixes: a84bf44388 ("HE: Send the AP's OBSS PD settings to the kernel")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-02-17 19:30:47 +02:00 • committed by Jouni Malinen
parent 0b0ee0f15e
commit 46cb046500
1 changed files with 2 additions and 1 deletions
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3
src/drivers/driver_nl80211.c
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@ -4353,7 +4353,8 @@ static int wpa_driver_nl80211_set_ap(void *priv,
spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
wpa_printf(MSG_DEBUG, "nl80211: he_spr=%d", params->he_spr);
if (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
if (!spr ||
nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
params->he_spr_srg_obss_pd_min_offset) ||
nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
params->he_spr_srg_obss_pd_max_offset))