linux-kernel - [PATCH] checkpatch: if no filenames then read stdin

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Message-Id: <a8784f291ccb5067361992bf5d41ff6cfb0ce5cb.1469830917.git.allenbh@gmail.com>
Date:	Fri, 29 Jul 2016 18:27:31 -0400
From:	Allen Hubbe <allenbh@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Joe Perches <joe@...ches.com>, Andy Whitcroft <apw@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Allen Hubbe <allenbh@...il.com>
Subject: [PATCH] checkpatch: if no filenames then read stdin

If no filenames are given, then read the patch from stdin.

Signed-off-by: Allen Hubbe <allenbh@...il.com>
---
 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 90e1edc8dd42..b0659f1e9b09 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -178,9 +178,9 @@ if ($^V && $^V lt $minimum_perl_version) {
 	}
 }
 
+#if no filenames are given, push '-' to read patch from stdin
 if ($#ARGV < 0) {
-	print "$P: no input files\n";
-	exit(1);
+	push(@ARGV, '-');
 }
 
 sub hash_save_array_words {
-- 
2.9.1