summaryrefslogtreecommitdiff
path: root/scripts
diff options
context:
space:
mode:
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 576139a508a3..c274e1dc1e67 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3299,6 +3299,12 @@ sub process {
}
}
+# check for comparisons of jiffies
+ if ($line =~ /\bjiffies\s*$Compare|$Compare\s*jiffies\b/) {
+ WARN("JIFFIES_COMPARISON",
+ "Comparing jiffies is almost always wrong; prefer time_after, time_before and friends\n" . $herecurr);
+ }
+
# warn about #ifdefs in C files
# if ($line =~ /^.\s*\#\s*if(|n)def/ && ($realfile =~ /\.c$/)) {
# print "#ifdef in C files should be avoided\n";