From 9fcb663be42e4727c1beabc7c80e2d839199e6b1 Mon Sep 17 00:00:00 2001
From: Anton Ivanov <antivano@cisco.com>
Date: Fri, 7 Mar 2014 18:37:46 +0000
Subject: [PATCH] um: Missing pipe handling

UML does not handle sigpipe. As a result when running it under
expect or redirecting the IO from the console to an external program
it will crash if the program stops or exits.

Signed-off-by: Anton Ivanov <antivano@cisco.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
 arch/um/os-Linux/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index e1704ff600ff..df9191acd926 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -151,6 +151,7 @@ int __init main(int argc, char **argv, char **envp)
 #endif
 
 	do_uml_initcalls();
+	change_sig(SIGPIPE, 0);
 	ret = linux_main(argc, argv);
 
 	/*
-- 
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