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nl80211: always check nla_put* return values 

A few instances were found where we didn't check them, add the
missing checks even though they'll probably never trigger as
the message should be large enough here.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2016-09-14 09:59:21 +02:00
parent 76e1fb4b55
commit 53b18980fd
1 changed files with 8 additions and 5 deletions
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13
net/wireless/nl80211.c
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@ -9453,8 +9453,10 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
if (!freqs)
return -ENOBUFS;
for (i = 0; i < req->n_channels; i++)
nla_put_u32(msg, i, req->channels[i]->center_freq);
for (i = 0; i < req->n_channels; i++) {
if (nla_put_u32(msg, i, req->channels[i]->center_freq))
return -ENOBUFS;
}
nla_nest_end(msg, freqs);
@ -9468,9 +9470,10 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
if (!match)
return -ENOBUFS;
nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
req->match_sets[i].ssid.ssid_len,
req->match_sets[i].ssid.ssid);
if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
req->match_sets[i].ssid.ssid_len,
req->match_sets[i].ssid.ssid))
return -ENOBUFS;
nla_nest_end(msg, match);
}
nla_nest_end(msg, matches);