[PATCH] checkpatch: if no filenames then read stdin

[Allen Hubbe]

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

Signed-off-by: Allen Hubbe <alle...@gmail.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