linux-kernel - [PATCH] scripts: minor decodecode update

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Message-Id: <20080114151831.a5ff7d7a.randy.dunlap@oracle.com>
Date:	Mon, 14 Jan 2008 15:18:31 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>, samr <sam@...nborg.org>
Subject: [PATCH] scripts: minor decodecode update

From: Randy Dunlap <randy.dunlap@...cle.com>

Remove the tmp file when exiting.  Noticed by Arjan van de Ven.
Catch mktemp failure and exit with message.
Trap kill or other signals and exit cleanly.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 scripts/decodecode |   17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

--- linux-2.6.24-rc7.orig/scripts/decodecode
+++ linux-2.6.24-rc7/scripts/decodecode
@@ -6,7 +6,19 @@
 # e.g., to decode an i386 oops on an x86_64 system, use:
 # AFLAGS=--32 decodecode < 386.oops
 
-T=`mktemp`
+cleanup() {
+	rm -f $T $T.s $T.o
+	exit 1
+}
+
+die() {
+	echo "$@"
+	exit 1
+}
+
+trap cleanup EXIT
+
+T=`mktemp` || die "cannot create temp file"
 code=
 
 while read i ; do
@@ -20,6 +32,7 @@ esac
 done
 
 if [ -z "$code" ]; then
+	rm $T
 	exit
 fi
 
@@ -48,4 +61,4 @@ echo -n "	.byte 0x" > $T.s
 echo $code >> $T.s
 as $AFLAGS -o $T.o $T.s
 objdump -S $T.o
-rm $T.o $T.s
+rm $T $T.s $T.o
--
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