summaryrefslogtreecommitdiff
path: root/net/rxrpc
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2020-05-28 08:12:35 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-28 21:11:46 +0300
commit298cd88a66a02c899772ffafbf648786ceb5ab95 (patch)
treeff5a1b2e6e6c89240cd6846873e1fa54fe3de943 /net/rxrpc
parent7d7207c2d57080af93fc323dc6a85bd79207b4c6 (diff)
downloadlinux-298cd88a66a02c899772ffafbf648786ceb5ab95.tar.xz
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.c13
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
*/