linux-kernel - [PATCH 1/2] checkpatch: Improve the unnecessary OOM message test

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Message-Id: <865e874fbae5decc331a849bd8d71c325db6bc80.1496343345.git.joe@perches.com>
Date:   Thu,  1 Jun 2017 12:02:02 -0700
From:   Joe Perches <joe@...ches.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Whitcroft <apw@...onical.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] checkpatch: Improve the unnecessary OOM message test

Use the context around a patch to avoid missing some candidates.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f4ac18970e7e..b86ff852b241 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5311,7 +5311,7 @@ sub process {
 			my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0);
 #			print("line: <$line>\nprevline: <$prevline>\ns: <$s>\nc: <$c>\n\n\n");
 
-			if ($c =~ /(?:^|\n)[ \+]\s*(?:$Type\s*)?\Q$testval\E\s*=\s*(?:\([^\)]*\)\s*)?\s*(?:devm_)?(?:[kv][czm]alloc(?:_node|_array)?\b|kstrdup|(?:dev_)?alloc_skb)/) {
+			if ($s =~ /(?:^|\n)[ \+]\s*(?:$Type\s*)?\Q$testval\E\s*=\s*(?:\([^\)]*\)\s*)?\s*(?:devm_)?(?:[kv][czm]alloc(?:_node|_array)?\b|kstrdup|kmemdup|(?:dev_)?alloc_skb)/) {
 				WARN("OOM_MESSAGE",
 				     "Possible unnecessary 'out of memory' message\n" . $hereprev);
 			}
-- 
2.10.0.rc2.1.g053435c