From e01a14e318951de4782908fbdb2b66a652a22065 Mon Sep 17 00:00:00 2001
From: shirou <shirou.faw@gmail.com>
Date: Sat, 7 Oct 2017 11:42:26 +0900
Subject: [PATCH] [net] linux: skip if permission error on getProcInodesAll

This fixes #433
---
 net/net_linux.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/net/net_linux.go b/net/net_linux.go
index 9ed4533..4fb5939 100644
--- a/net/net_linux.go
+++ b/net/net_linux.go
@@ -322,7 +322,7 @@ func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error) {
 		}
 	}
 	if err != nil {
-		return nil, fmt.Errorf("cound not get pid(s), %d", pid)
+		return nil, fmt.Errorf("cound not get pid(s), %d: %s", pid, err)
 	}
 	return statsFromInodes(root, pid, tmap, inodes)
 }
@@ -541,6 +541,10 @@ func getProcInodesAll(root string, max int) (map[string][]inodeMap, error) {
 	for _, pid := range pids {
 		t, err := getProcInodes(root, pid, max)
 		if err != nil {
+			// skip if permission error
+			if os.IsPermission(err) {
+				continue
+			}
 			return ret, err
 		}
 		if len(t) == 0 {