aboutsummaryrefslogtreecommitdiffstats
path: root/scripts
diff options
context:
space:
mode:
authorJoe Perches <joe@perches.com>2012-05-31 16:26:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 17:49:27 -0700
commit243f3803cf2a3665092c5fd6f924f453694681a6 (patch)
treea05005eb618c2770a2e56c644ae04d8e36c58c89 /scripts
parent9a4cad4e25b91f48494f13fce3d25ea44bec7472 (diff)
checkpatch: suggest pr_<level> over printk(KERN_<LEVEL>
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>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl13
1 files changed, 13 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2262e1f57fa..e5bd60ff48e 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