[PATCH] checkpatch: Make extern in .h prototypes quieter.

From: Joe Perches
Date: Mon Sep 02 2013 - 12:21:50 EST


The use of extern in .h files is a bit contentious.

Make it emitted only when --strict is used on the
command-line.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
scripts/checkpatch.pl | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9bb056c..13165ea 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3927,8 +3927,8 @@ sub process {
# check for new externs in .h files.
if ($realfile =~ /\.h$/ &&
$line =~ /^\+\s*(extern\s+)$Type\s*$Ident\s*\((?!\s*\*)/) {
- if (WARN("AVOID_EXTERNS",
- "extern prototypes should be avoided in .h files\n" . $herecurr) &&
+ if (CHK("AVOID_EXTERNS",
+ "extern prototypes should be avoided in .h files\n" . $herecurr) &&
$fix) {
$fixed[$linenr - 1] =~ s/(.*)\bextern\s+(.*)/$1$2/;
}


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