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

[Joe Perches]

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

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 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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