linux-kernel - [PATCH] checkpatch: Avoid NOT_UNIFIED_DIFF errors on cover-letter.patch files

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Message-ID: <1433417680.4861.159.camel@perches.com>
Date:	Thu, 04 Jun 2015 04:34:40 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Andy Whitcroft <apw@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] checkpatch: Avoid NOT_UNIFIED_DIFF errors on
 cover-letter.patch files

Make an exception for the "Does not appear to be a unified-diff"
error when scanning what appears to be git generated cover letters.

Suggested-by: Rasmus Villemoes <linux@...musvillemoes.dk>
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 c8032a0..da417b6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5563,7 +5563,7 @@ sub process {
 		exit(0);
 	}
 
-	if (!$is_patch) {
+	if (!$is_patch && $file !~ /cover-letter\.patch$/) {
 		ERROR("NOT_UNIFIED_DIFF",
 		      "Does not appear to be a unified-diff format patch\n");
 	}


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