summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rwxr-xr-xscripts/checkpatch.pl6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 74ccd122fc07..81c20557d974 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4274,6 +4274,12 @@ sub process {
"Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr);
}
+# trace_printk should not be used in production code.
+ if ($line =~ /\b(trace_printk|trace_puts|ftrace_vprintk)\s*\(/) {
+ WARN("TRACE_PRINTK",
+ "Do not use $1() in production code (this can be ignored if built only with a debug config option)\n" . $herecurr);
+ }
+
# ENOSYS means "bad syscall nr" and nothing else. This will have a small
# number of false positives, but assembly files are not checked, so at
# least the arch entry code will not trigger this warning.