From a27506459c5e6ccc8437fca0adb6d3759c883c28 Mon Sep 17 00:00:00 2001
From: Andy Whitcroft <apw@canonical.com>
Date: Thu, 15 Jan 2009 13:51:04 -0800
Subject: [PATCH] checkpatch: handle missing #if open in context
If the #if opening statement is not in the context then the context stack
can be empty. Handle this by ensuring there is always a blank entry in
the stack.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Tested-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
scripts/checkpatch.pl | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7bed4ed2c5197c..eefef65fa58462 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -411,13 +411,15 @@ sub ctx_statement_block {
my $type = '';
my $level = 0;
- my @stack = ([$type, $level]);
+ my @stack = ();
my $p;
my $c;
my $len = 0;
my $remainder;
while (1) {
+ @stack = (['', 0]) if ($#stack == -1);
+
#warn "CSB: blk<$blk> remain<$remain>\n";
# If we are about to drop off the end, pull in more
# context.
--
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