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busybox: fix udhcpc endless loop

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if the interface is down due to ip-collide detection, config apply
fail as the dnsmasq init script would loop endlessly.

Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2023-11-09 12:30:29 +01:00
parent b0ef1b3221
commit 2f5b612837
1 changed files with 34 additions and 0 deletions
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34
patches/0065-busybox-udhcpc-would-enter-an-endless-loop-if-the-in.patch Normal file
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@@ -0,0 +1,34 @@
From 912cf16c2f15d2081049eafe8d336dbc2b7d8c78 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Thu, 9 Nov 2023 12:28:38 +0100
Subject: [PATCH] busybox: udhcpc would enter an endless loop if the interface
is down
Signed-off-by: John Crispin <john@phrozen.org>
---
.../busybox/patches/532-dhcp-socket-reopen.patch | 13 +++++++++++++
1 file changed, 13 insertions(+)
create mode 100644 package/utils/busybox/patches/532-dhcp-socket-reopen.patch
diff --git a/package/utils/busybox/patches/532-dhcp-socket-reopen.patch b/package/utils/busybox/patches/532-dhcp-socket-reopen.patch
new file mode 100644
index 0000000000..17cec7764a
--- /dev/null
+++ b/package/utils/busybox/patches/532-dhcp-socket-reopen.patch
@@ -0,0 +1,13 @@
+Index: busybox-1.36.1/networking/udhcp/dhcpc.c
+===================================================================
+--- busybox-1.36.1.orig/networking/udhcp/dhcpc.c
++++ busybox-1.36.1/networking/udhcp/dhcpc.c
+@@ -1638,6 +1645,8 @@ int udhcpc_main(int argc UNUSED_PARAM, c
+ bb_error_msg("read error: "STRERROR_FMT", reopening socket" STRERROR_ERRNO);
+ sleep(discover_timeout); /* 3 seconds by default */
+ change_listen_mode(client_data.listen_mode); /* just close and reopen */
++ packet_num++;
++ timeout = 0;
+ }
+ if (len < 0)
+ continue;
--
2.34.1