[PATCH AUTOSEL 5.15 11/41] SUNRPC allow for unspecified transport time in rpc_clnt_add_xprt

Sasha Levin
2022-02-03T20:35:02Z

[ Upstream commit b8a09619a56334414cbd7f935a0796240d0cc07e ]

If the supplied argument doesn't specify the transport type, use the
type of the existing rpc clnt and its existing transport.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sunrpc/clnt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f056ff9314442..5da1d7e8468a5 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2903,7 +2903,7 @@ int rpc_clnt_add_xprt(struct rpc_clnt *clnt,
unsigned long connect_timeout;
unsigned long reconnect_timeout;
unsigned char resvport, reuseport;
- int ret = 0;
+ int ret = 0, ident;

rcu_read_lock();
xps = xprt_switch_get(rcu_dereference(clnt->cl_xpi.xpi_xpswitch));
@@ -2917,8 +2917,11 @@ int rpc_clnt_add_xprt(struct rpc_clnt *clnt,
reuseport = xprt->reuseport;
connect_timeout = xprt->connect_timeout;
reconnect_timeout = xprt->max_reconnect_timeout;
+ ident = xprt->xprt_class->ident;
rcu_read_unlock();

+ if (!xprtargs->ident)
+ xprtargs->ident = ident;
xprt = xprt_create_transport(xprtargs);
if (IS_ERR(xprt)) {
ret = PTR_ERR(xprt);
--
2.34.1