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bpf: sockmap, on update propagate errors back to userspace

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When an error happens in the update sockmap element logic also pass
the err up to the user.

Fixes: e5cd3abcb3 ("bpf: sockmap, refactor sockmap routines to work with hashmap")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
John Fastabend 2018-05-16 16:38:14 -07:00 committed by Daniel Borkmann
parent 683d2ac390
commit e23afe5e7c
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/sockmap.c
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@ -1875,7 +1875,7 @@ static int sock_map_ctx_update_elem(struct bpf_sock_ops_kern *skops,
write_unlock_bh(&osock->sk_callback_lock); write_unlock_bh(&osock->sk_callback_lock);
} }
out: out:
return 0; return err;
} }
int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type) int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type)