1 files changed, 20 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index faea0ec612bf..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
@@ -2448,6 +2461,13 @@ sub process {
                                      "space prohibited between function name and open parenthesis '('\n" . $herecurr);
                         }
                 }
+
+# check for whitespace before a non-naked semicolon
+                if ($line =~ /^\+.*\S\s+;/) {
+                        CHK("SPACING",
+                            "space prohibited before semicolon\n" . $herecurr);
+                }
+
 # Check operator spacing.
                 if (!($line=~/\#\s*include/)) {
                         my $ops = qr{