i2c: octeon: thunderx: Limit register access retries

[cascardo/linux.git] / scripts / checkpatch.pl

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 1d5b09d..4de3cc4 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -228,9 +228,9 @@ 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 {
@@ -2069,6 +2069,7 @@ sub process {
        my $is_patch = 0;
        my $in_header_lines = $file ? 0 : 1;
        my $in_commit_log = 0;          #Scanning lines before patch
+       my $has_commit_log = 0;         #Encountered lines before patch
        my $commit_log_possible_stack_dump = 0;
        my $commit_log_long_line = 0;
        my $commit_log_has_diff = 0;
@@ -2566,6 +2567,7 @@ sub process {
                      $rawline =~ /^(commit\b|from\b|[\w-]+:).*$/i)) {
                        $in_header_lines = 0;
                        $in_commit_log = 1;
+                       $has_commit_log = 1;
                }
 
 # Check if there is UTF-8 in a commit log when a mail header has explicitly
@@ -6055,7 +6057,7 @@ sub process {
                ERROR("NOT_UNIFIED_DIFF",
                      "Does not appear to be a unified-diff format patch\n");
        }
-       if ($is_patch && $filename ne '-' && $chk_signoff && $signoff == 0) {
+       if ($is_patch && $has_commit_log && $chk_signoff && $signoff == 0) {
                ERROR("MISSING_SIGN_OFF",
                      "Missing Signed-off-by: line(s)\n");
        }