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* [PATCH] checkpatch: fix UNNECESSARY_KERN_LEVEL false positive
@ 2014-12-23 13:02 Paolo Bonzini
  2014-12-23 13:14 ` Joe Perches
  0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2014-12-23 13:02 UTC (permalink / raw)
  To: linux-kernel; +Cc: Andy Whitcroft, Joe Perches

KERN_<LEVEL> is never redundant with printk_ratelimited.

Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f0bb6d60c07b..6b3afe6a3dd3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4545,7 +4545,7 @@ sub process {
 		}
 
 # check for logging functions with KERN_<LEVEL>
-		if ($line !~ /printk\s*\(/ &&
+		if ($line !~ /printk(?:_ratelimited)?\s*\(/ &&
 		    $line =~ /\b$logFunctions\s*\(.*\b(KERN_[A-Z]+)\b/) {
 			my $level = $1;
 			if (WARN("UNNECESSARY_KERN_LEVEL",
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] checkpatch: fix UNNECESSARY_KERN_LEVEL false positive
  2014-12-23 13:02 [PATCH] checkpatch: fix UNNECESSARY_KERN_LEVEL false positive Paolo Bonzini
@ 2014-12-23 13:14 ` Joe Perches
  0 siblings, 0 replies; 2+ messages in thread
From: Joe Perches @ 2014-12-23 13:14 UTC (permalink / raw)
  To: Paolo Bonzini; +Cc: linux-kernel, Andy Whitcroft

On Tue, 2014-12-23 at 14:02 +0100, Paolo Bonzini wrote:
> KERN_<LEVEL> is never redundant with printk_ratelimited.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -4545,7 +4545,7 @@ sub process {
>  		}
>  
>  # check for logging functions with KERN_<LEVEL>
> -		if ($line !~ /printk\s*\(/ &&
> +		if ($line !~ /printk(?:_ratelimited)?\s*\(/ &&

Seems sensible bu this should probably add _once too

		if ($line !~ /printk(?:_ratelimited|_once)?\s*\(/ &&

Please add and resubmit cc'ing Andrew Morton too.



^ permalink raw reply	[flat|nested] 2+ messages in thread

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