]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
checkpatch: suggest pr_<level> over printk(KERN_<LEVEL>
authorJoe Perches <joe@perches.com>
Thu, 31 May 2012 23:26:09 +0000 (16:26 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 1 Jun 2012 00:49:27 +0000 (17:49 -0700)
Suggest the shorter pr_<level> instead of printk(KERN_<LEVEL>.

Prefer to use pr_<level> over bare printks.
Prefer to use pr_warn over pr_warning.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
scripts/checkpatch.pl

index 2262e1f57fa6f3fad3f4329e122454874d48ff76..e5bd60ff48e3d553ef3921256123519df7b812b8 100755 (executable)
@@ -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