After commit 45107ff6d526 ("checkpatch: if no filenames then read stdin"), if no filenames are given, it will read patch from stdin rather than exit directly. This means the script waits for input indefinitely, which confuses new checkpatch users at first. Add some basic documentation on this behaviour of checkpatch to lower the confusion. Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> --- v3: Update the commit message, thank you Lukas. Documentation/dev-tools/checkpatch.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst index 51fed1b..3eb9ead 100644 --- a/Documentation/dev-tools/checkpatch.rst +++ b/Documentation/dev-tools/checkpatch.rst @@ -22,6 +22,8 @@ Usage:: ./scripts/checkpatch.pl [OPTION]... [FILE]... +When FILE is -, or absent, checkpatch reads from standard input. + Available options: - -q, --quiet -- 2.1.0