From f34ff8348751edfff5de2e4cc5acbce6745af5a3 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 30 Jul 2012 14:41:20 -0700
Subject: [PATCH] --- yaml --- r: 319938 b: refs/heads/master c:
 4a273195a551a27a9a3ebed072c8df16c853da7f h: refs/heads/master v: v3

---
 [refs]                      |  2 +-
 trunk/scripts/checkpatch.pl | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 8d73cca48952..79643d56e4d1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce0338df3c9a43e709b8a478265b32b9edcc7ccc
+refs/heads/master: 4a273195a551a27a9a3ebed072c8df16c853da7f
diff --git a/trunk/scripts/checkpatch.pl b/trunk/scripts/checkpatch.pl
index 3e04f80375de..4bad5700670a 100755
--- a/trunk/scripts/checkpatch.pl
+++ b/trunk/scripts/checkpatch.pl
@@ -3313,6 +3313,22 @@ sub process {
 			}
 		}
 
+# check usleep_range arguments
+		if ($^V && $^V ge 5.10.0 &&
+		    defined $stat &&
+		    $stat =~ /^\+(?:.*?)\busleep_range\s*\(\s*($FuncArg)\s*,\s*($FuncArg)\s*\)/) {
+			my $min = $1;
+			my $max = $7;
+			if ($min eq $max) {
+				WARN("USLEEP_RANGE",
+				     "usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+			} elsif ($min =~ /^\d+$/ && $max =~ /^\d+$/ &&
+				 $min > $max) {
+				WARN("USLEEP_RANGE",
+				     "usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.txt\n" . "$here\n$stat\n");
+			}
+		}
+
 # check for new externs in .c files.
 		if ($realfile =~ /\.c$/ && defined $stat &&
 		    $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)