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Date:	Mon, 29 Dec 2014 17:34:56 +0100
From:	Sylvain BERTRAND <sylvain.bertrand@...il.com>
To:	linux-kbuild@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org
Subject: [PATCH] scripts: fix link-vmlinux.sh bash-ism

Chocked while compiling linux with dash shell instead of bash shell.
See:
http://pubs.opengroup.org/onlinepubs/000095399/utilities/trap.html

Cc: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Sylvain BERTRAND <sylvain.bertrand@...il.com>
---
--- a/scripts/link-vmlinux.sh	2014-12-29 15:10:29.436431249 +0000
+++ b/scripts/link-vmlinux.sh	2014-12-29 16:23:06.010853608 +0000
@@ -111,7 +111,6 @@
 }
 
 # Delete output files in case of error
-trap cleanup SIGHUP SIGINT SIGQUIT SIGTERM ERR
 cleanup()
 {
 	rm -f .old_version
@@ -124,6 +123,20 @@
 	rm -f vmlinux.o
 }
 
+on_exit()
+{
+	if [ $? -ne 0 ]; then
+		cleanup
+	fi
+}
+trap on_exit EXIT
+
+on_signals()
+{
+	exit 1
+}
+trap on_signals HUP INT QUIT TERM
+
 #
 #
 # Use "make V=1" to debug this script
@@ -231,7 +244,6 @@
 	if ! cmp -s System.map .tmp_System.map; then
 		echo >&2 Inconsistent kallsyms data
 		echo >&2 Try "make KALLSYMS_EXTRA_PASS=1" as a workaround
-		cleanup
 		exit 1
 	fi
 fi
--
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