From 8f53a9b80f011080555c498d2ca2dc6b1a77c42c Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Fri, 5 Mar 2010 13:43:48 -0800
Subject: [PATCH] scripts/checkpatch.pl: add WARN on sizeof(&foo)
sizeof(&foo) is frequently an error. Warn on its use.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
scripts/checkpatch.pl | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3257d3d96767da..309050f30874cf 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2572,6 +2572,11 @@ sub process {
WARN("plain inline is preferred over $1\n" . $herecurr);
}
+# check for sizeof(&)
+ if ($line =~ /\bsizeof\s*\(\s*\&/) {
+ WARN("sizeof(& should be avoided\n" . $herecurr);
+ }
+
# check for new externs in .c files.
if ($realfile =~ /\.c$/ && defined $stat &&
$stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
--
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