1 files changed, 13 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2262e1f57fa6..e5bd60ff48e3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2382,6 +2382,19 @@ sub process {
                         }
                 }
 
+                if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {
+                        my $orig = $1;
+                        my $level = lc($orig);
+                        $level = "warn" if ($level eq "warning");
+                        WARN("PREFER_PR_LEVEL",
+                             "Prefer pr_$level(... to printk(KERN_$1, ...\n" . $herecurr);
+                }
+
+                if ($line =~ /\bpr_warning\s*\(/) {
+                        WARN("PREFER_PR_LEVEL",
+                             "Prefer pr_warn(... to pr_warning(...\n" . $herecurr);
+                }
+
 # function brace can't be on same line, except for #defines of do while,
 # or if closed on same line
                 if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and