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checkpatch: fix regressions in "fix handling of leading spaces" 

The patch "checkpatch: fix handling of leading spaces" added checks for
leading spaces on lines, but this introduces regressions.  Firstly it does
not correctly detect when we are in a comment.  Secondly it does not allow
for preprocessor command spacing.  Finally it does not allow for label
indentation which is required to be less than one tab.  Fix these up:

Signed-off-by: Andy Whitcroft <apw@canonical.com>
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 2010-10-26 14:23:11 -07:00 committed by Linus Torvalds
parent 658716d19f
commit 6b4c5bebce
1 changed files with 6 additions and 3 deletions
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9
scripts/checkpatch.pl
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@ -1459,10 +1459,13 @@ sub process {
}
# check for spaces at the beginning of a line.
if ($rawline =~ /^\+ / && $rawline !~ /\+ +\*/) {
# Exceptions:
# 1) within comments
# 2) indented preprocessor commands
# 3) hanging labels
if ($rawline =~ /^\+ / && $line !~ /\+ *(?:$;|#|$Ident:)/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";
WARN("please, no space for starting a line, \
excluding comments\n" . $herevet);
WARN("please, no spaces at the start of a line\n" . $herevet);
}
# check we are in a valid C source file if not then ignore this hunk