[PATCH nft] rule: fix memleak in do_get_setelems()

[Pablo Neira Ayuso]

Release set and elements in case of error.

Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 src/rule.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/rule.c b/src/rule.c
index e6d61b670688..6d027c261f97 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -2190,17 +2190,15 @@ static int do_get_setelems(struct netlink_ctx *ctx, 
struct cmd *cmd,
        /* Fetch from kernel the elements that have been requested .*/
        err = netlink_get_setelem(ctx, &cmd->handle, &cmd->location,
                                  table, new_set, init);
-       if (err < 0)
-               return err;
-
-       __do_list_set(ctx, cmd, table, new_set);
+       if (err >= 0)
+               __do_list_set(ctx, cmd, table, new_set);
 
        if (set->flags & NFT_SET_INTERVAL)
                expr_free(init);
 
        set_free(new_set);
 
-       return 0;
+       return err;
 }
 
 static int do_command_get(struct netlink_ctx *ctx, struct cmd *cmd)
-- 
2.11.0