[PATCH net] net/sched: act_pedit: fix memory leak when IDR allocation fails

[Davide Caratti]

tcf_idr_check_alloc() can return a negative value, on allocation failures
(-ENOMEM) or IDR exhaustion (-ENOSPC): don't leak keys_ex in these cases.

Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Signed-off-by: Davide Caratti <dcara...@redhat.com>
---
 net/sched/act_pedit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index da3dd0f68cc2..2b372a06b432 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -201,7 +201,8 @@ static int tcf_pedit_init(struct net *net, struct nlattr 
*nla,
                        goto out_release;
                }
        } else {
-               return err;
+               ret = err;
+               goto out_free;
        }
 
        p = to_pedit(*a);
-- 
2.19.1