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| author | Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-28 11:11:46 -0700 |
| commit | 298cd88a66a02c899772ffafbf648786ceb5ab95 (patch) | |
| tree | ff5a1b2e6e6c89240cd6846873e1fa54fe3de943 /net/rxrpc | |
| parent | 7d7207c2d57080af93fc323dc6a85bd79207b4c6 (diff) | |
| download | linux-298cd88a66a02c899772ffafbf648786ceb5ab95.tar.gz | |
rxrpc: add rxrpc_sock_set_min_security_level
Add a helper to directly set the RXRPC_MIN_SECURITY_LEVEL sockopt from kernel space without going through a fake uaccess. Thanks to David Howells for the documentation updates. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rxrpc')
| -rw-r--r-- | net/rxrpc/af_rxrpc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index 15ee92d79581..394189b81849 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -571,6 +571,19 @@ out: return ret; } +int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val) +{ + if (sk->sk_state != RXRPC_UNBOUND) + return -EISCONN; + if (val > RXRPC_SECURITY_MAX) + return -EINVAL; + lock_sock(sk); + rxrpc_sk(sk)->min_sec_level = val; + release_sock(sk); + return 0; +} +EXPORT_SYMBOL(rxrpc_sock_set_min_security_level); + /* * set RxRPC socket options */ |