From 624072c111221e7ed176fb9034ada9084dba5cef Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Tue, 2 Jan 2018 08:18:45 +0100
Subject: [PATCH] hush more lgtm.com -discovered static-analysis problems

---
 src/wormhole/cli/cmd_receive.py | 1 +
 src/wormhole/ipaddrs.py         | 7 ++++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/wormhole/cli/cmd_receive.py b/src/wormhole/cli/cmd_receive.py
index 03357ca..aa7f3a2 100644
--- a/src/wormhole/cli/cmd_receive.py
+++ b/src/wormhole/cli/cmd_receive.py
@@ -164,6 +164,7 @@ class Receiver:
                 recognized = True
                 if not want_offer:
                     raise TransferError("duplicate offer")
+                want_offer = False
                 try:
                     yield self._parse_offer(them_d[u"offer"], w)
                 except RespondError as r:
diff --git a/src/wormhole/ipaddrs.py b/src/wormhole/ipaddrs.py
index 161c219..2f35d55 100644
--- a/src/wormhole/ipaddrs.py
+++ b/src/wormhole/ipaddrs.py
@@ -56,8 +56,9 @@ def find_addresses():
 
 def _query(path, args, regex):
     env = {'LANG': 'en_US.UTF-8'}
-    TRIES = 5
-    for trial in range(TRIES):
+    trial = 0
+    while True:
+        trial += 1
         try:
             p = subprocess.Popen([path] + list(args),
                                  stdout=subprocess.PIPE,
@@ -67,7 +68,7 @@ def _query(path, args, regex):
             (output, err) = p.communicate()
             break
         except OSError as e:
-            if e.errno == errno.EINTR and trial < TRIES-1:
+            if e.errno == errno.EINTR and trial < 5:
                 continue
             raise