In case of NL80211_IFTYPE_MONITOR and flag MONITOR_FLAG_ACTIVE, the already
allocated sk_buff 'msg' is not freed, when the function exits in case the
feature is not supported. Detected by Coverity CID 1269116.
Signed-off-by: Christian Engelmayer <cenge...@gmx.at>
---
Compile tested only. Applies against linux-next.
---
net/wireless/nl80211.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d78fd8b54515..38a7477dda81 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2663,8 +2663,10 @@ static int nl80211_new_interface(struct sk_buff *skb,
struct genl_info *info)
&flags);
if (!err && (flags & MONITOR_FLAG_ACTIVE) &&
- !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR))
+ !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) {
+ nlmsg_free(msg);
return -EOPNOTSUPP;
+ }
wdev = rdev_add_virtual_intf(rdev,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
--
1.9.1
--
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