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checkpatch: handle missing #if open in context

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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>
This commit is contained in:
Andy Whitcroft 2009-01-15 13:51:04 -08:00 committed by Linus Torvalds
parent c91192d66d
commit a27506459c
1 changed files with 3 additions and 1 deletions
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4
scripts/checkpatch.pl
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@ -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.