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bpf: sockmap, fix double-free 

`e' is being freed twice.

Fix this by removing one of the kfree() calls.

Addresses-Coverity-ID: 1468983 ("Double free")
Fixes: 8111038444 ("bpf: sockmap, add hash map support")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Gustavo A. R. Silva 2018-05-17 09:11:02 -05:00 committed by Daniel Borkmann
parent 0e43645603
commit a78622932c
1 changed files with 0 additions and 1 deletions
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1
kernel/bpf/sockmap.c
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@ -1823,7 +1823,6 @@ static int __sock_map_ctx_update_elem(struct bpf_map *map,
write_unlock_bh(&sock->sk_callback_lock);
return err;
out_free:
kfree(e);
smap_release_sock(psock, sock);
out_progs:
if (verdict)