From: Anna Schumaker <Anna.Schumaker@netapp.com>
Date: Mon, 13 Jul 2015 18:01:27 +0000 (-0400)
Subject: SUNRPC: Add an rpc_cmp_addr_port() function
X-Git-Tag: Ubuntu-5.0.0-8.9~8739^2~67
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=58cc8a55aa38655d472a4c381df465c9ab97b4d6;p=mirror_ubuntu-disco-kernel.git

SUNRPC: Add an rpc_cmp_addr_port() function

This function is to help determine if two sockaddrs are really the same
socket.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---

diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
index 772faefc15aa..9bc3538d09a9 100644
--- a/include/linux/sunrpc/addr.h
+++ b/include/linux/sunrpc/addr.h
@@ -130,6 +130,19 @@ static inline bool rpc_cmp_addr(const struct sockaddr *sap1,
 	return false;
 }
 
+/**
+ * rpc_cmp_addr_port - compare the address and port number of two sockaddrs.
+ * @sap1: first sockaddr
+ * @sap2: second sockaddr
+ */
+static inline bool rpc_cmp_addr_port(const struct sockaddr *sap1,
+				     const struct sockaddr *sap2)
+{
+	if (!rpc_cmp_addr(sap1, sap2))
+		return false;
+	return rpc_get_port(sap1) == rpc_get_port(sap2);
+}
+
 /**
  * rpc_copy_addr - copy the address portion of one sockaddr to another
  * @dst: destination sockaddr