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| author | Johannes Berg <johannes.berg@intel.com> | 2020-02-21 10:41:43 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-02-21 10:50:26 +0100 |
| commit | 9951ebfcdf2b97dbb28a5d930458424341e61aa2 (patch) | |
| tree | 1620972f990a1645f2ddfdb054ce8fe8f5773fb9 /net/wireless | |
| parent | 36a44bcdd8df092d76c11bc213e81c5817d4e302 (diff) | |
| download | linux-9951ebfcdf2b97dbb28a5d930458424341e61aa2.tar.gz linux-9951ebfcdf2b97dbb28a5d930458424341e61aa2.tar.bz2 linux-9951ebfcdf2b97dbb28a5d930458424341e61aa2.zip | |
nl80211: fix potential leak in AP start
If nl80211_parse_he_obss_pd() fails, we leak the previously
allocated ACL memory. Free it in this case.
Fixes: 796e90f42b7e ("cfg80211: add support for parsing OBBS_PD attributes")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200221104142.835aba4cdd14.I1923b55ba9989c57e13978f91f40bfdc45e60cbd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index cedf17d4933f..46be40e19e7f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4800,8 +4800,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) err = nl80211_parse_he_obss_pd( info->attrs[NL80211_ATTR_HE_OBSS_PD], ¶ms.he_obss_pd); - if (err) - return err; + goto out; } nl80211_calculate_ap_params(¶ms); @@ -4823,6 +4822,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } wdev_unlock(wdev); +out: kfree(params.acl); return err; |