From 5b180973d90475ab32c470e568f1c786d94a9bf0 Mon Sep 17 00:00:00 2001
From: John Kacur <jkacur@redhat.com>
Date: Thu, 29 Nov 2018 15:39:22 +0100
Subject: [PATCH] python-linux-procfs: pflags: Ignore non-existent pids or
 process names

If the user enters a non-existent pid or process name, skip over it,

Also, if the user enters nothing but a non-existent pid, then make sure
the max_comm_len defaults to 0 instead of generating an error.

Signed-off-by: John Kacur <jkacur@redhat.com>
---
 pflags | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pflags b/pflags
index a1667fc06131..9c45600cc1ee 100755
--- a/pflags
+++ b/pflags
@@ -50,11 +50,13 @@ def main(argv):
 		pids = list(ps.processes.keys())
 
 	pids.sort()
-	len_comms = [len(ps[pid]["stat"]["comm"]) for pid in pids]
-	max_comm_len = max(len_comms)
+	len_comms = [len(ps[pid]["stat"]["comm"]) for pid in pids if pid in ps]
+	max_comm_len = max(len_comms, default=0)
 	del(len_comms)
 
 	for pid in pids:
+		if pid not in ps:
+		    continue
 		flags = ps[pid].stat.process_flags()
 		# Remove flags that were superseeded
 		if "PF_THREAD_BOUND" in flags and "PF_NO_SETAFFINITY" in flags:
-- 
2.19.2