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>

1 files changed, 8 insertions, 5 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 60c8a7429d33..887c4c114206 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -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);