linux-kernel - [PATCH V2 3/3] checkpatch: Emit an warning when floating point values are used

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Message-Id: <359a78054bc0dfaedede95222781b4177d3c33ce.1351736873.git.joe@perches.com>
Date:	Thu,  1 Nov 2012 00:12:18 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Whitcroft <apw@...onical.com>
Cc:	Adil Mujeeb <mujeeb.adil@...il.com>, Pavel Machek <pavel@....cz>,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 3/3] checkpatch: Emit an warning when floating point values are used

Linux kernel doesn't like floating point, say so.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c3a2162..96685c6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2332,6 +2332,13 @@ sub process {
 			     "do not add new typedefs\n" . $herecurr);
 		}
 
+# check for floating point constants
+
+		if ($line =~ /\b$Float\b/) {
+			WARN("KERNEL_FLOAT",
+			     "Floating point is not supported in linux kernel source\n" . $herecurr);
+		}
+
 # * goes on variable not on type
 		# (char*[ const])
 		while ($line =~ m{(\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\))}g) {
-- 
1.7.8.112.g3fd21

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