From 1fc5f13186440973e1aa1d85aa263326756af431 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 10 Nov 2020 09:41:21 -0500 Subject: SUNRPC: Add a helper to return the transport identifier given a netid Signed-off-by: Trond Myklebust --- net/sunrpc/xprt.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index bf490d0c98c6..23452f57d369 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -219,22 +219,39 @@ xprt_class_find_by_netid(const char *netid) } /** - * xprt_load_transport - load a transport implementation + * xprt_find_transport_ident - convert a netid into a transport identifier * @netid: transport to load * * Returns: - * 0: transport successfully loaded + * > 0: transport identifier * -ENOENT: transport module not available */ -int xprt_load_transport(const char *netid) +int xprt_find_transport_ident(const char *netid) { const struct xprt_class *t; + int ret; t = xprt_class_find_by_netid(netid); if (!t) return -ENOENT; + ret = t->ident; xprt_class_release(t); - return 0; + return ret; +} +EXPORT_SYMBOL_GPL(xprt_find_transport_ident); + +/** + * xprt_load_transport - load a transport implementation + * @netid: transport to load + * + * Returns: + * 0: transport successfully loaded + * -ENOENT: transport module not available + */ +int xprt_load_transport(const char *netid) +{ + int ret = xprt_find_transport_ident(netid); + return ret < 0 ? ret : 0; } EXPORT_SYMBOL_GPL(xprt_load_transport); -- cgit v1.2.3