[dm-devel] [PATCH 01/10] dm snapshot: Use kmalloc_array() in init_origin_hash()

[Joe Perches]

On Thu, 2016-09-29 at 23:14 +0200, Paul Bolle wrote:
> On Thu, 2016-09-29 at 13:56 -0700, Joe Perches wrote:
> > It doesn't matter match either way to me.
> Why does this stop you fixing an apparently wrong checkpatch rule,
> crude as parts of it are (ie, uppercase identifier must be a constant)?

It doesn't.  It just doesn't matter much (match) to me.
Here:
---
 scripts/checkpatch.pl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3373c65fef1c..fc931d89152e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5835,8 +5835,8 @@ sub process {
 		if ($^V && $^V ge 5.10.0 &&
 		    $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)\s*,/) {
 			my $oldfunc = $3;
-			my $a1 = $4;
-			my $a2 = $10;
+			my $a1 = trim($4);
+			my $a2 = trim($10);
 			my $newfunc = "kmalloc_array";
 			$newfunc = "kcalloc" if ($oldfunc eq "kzalloc");
 			my $r1 = $a1;
@@ -5850,7 +5850,7 @@ sub process {
 				if (WARN("ALLOC_WITH_MULTIPLY",
 					 "Prefer $newfunc over $oldfunc with multiply\n" . $herecurr) &&
 				    $fix) {
-					$fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e;
+					$fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . $r1 . ', ' . $r2/e;
 
 				}
 			}