[PATCH] net/sunrpc: Fix return value for sysctl sunrpc.transports

[Artur Molchanov <arturmolchanov@gmail.com>]

Fix returning value for sysctl sunrpc.transports.

Without this fix sysctl returns random garbage for this sysctl key.

Signed-off-by: Artur Molchanov <arturmolchanov@gmail.com>
Cc: stable@vger.kernel.org
---
 net/sunrpc/sysctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 999eee1ed61c..1edcecef23dc 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -70,7 +70,8 @@ static int proc_do_xprt(struct ctl_table *table, int write,
 		return 0;
 	}
 	len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
-	return memory_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
+	*lenp = memory_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
+	return 0;
 }
 
 static int
-- 
2.20.1