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-rwxr-xr-xscripts/checkpatch.pl40
1 files changed, 33 insertions, 7 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 913d6bdfdda3..21a9f5de0a21 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -421,7 +421,7 @@ sub top_of_kernel_tree {
}
}
return 1;
- }
+}
sub parse_email {
my ($formatted_email) = @_;
@@ -1386,6 +1386,8 @@ sub process {
my $in_header_lines = 1;
my $in_commit_log = 0; #Scanning lines before patch
+ my $non_utf8_charset = 0;
+
our @report = ();
our $cnt_lines = 0;
our $cnt_error = 0;
@@ -1686,10 +1688,17 @@ sub process {
$in_commit_log = 1;
}
-# Still not yet in a patch, check for any UTF-8
- if ($in_commit_log && $realfile =~ /^$/ &&
+# Check if there is UTF-8 in a commit log when a mail header has explicitly
+# declined it, i.e defined some charset where it is missing.
+ if ($in_header_lines &&
+ $rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
+ $1 !~ /utf-8/i) {
+ $non_utf8_charset = 1;
+ }
+
+ if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ &&
$rawline =~ /$NON_ASCII_UTF8/) {
- CHK("UTF8_BEFORE_PATCH",
+ WARN("UTF8_BEFORE_PATCH",
"8-bit UTF-8 used in possible commit log\n" . $herecurr);
}
@@ -1873,6 +1882,20 @@ sub process {
"No space is necessary after a cast\n" . $hereprev);
}
+ if ($realfile =~ m@^(drivers/net/|net/)@ &&
+ $rawline =~ /^\+[ \t]*\/\*[ \t]*$/ &&
+ $prevrawline =~ /^\+[ \t]*$/) {
+ WARN("NETWORKING_BLOCK_COMMENT_STYLE",
+ "networking block comments don't use an empty /* line, use /* Comment...\n" . $hereprev);
+ }
+
+ if ($realfile =~ m@^(drivers/net/|net/)@ &&
+ $rawline !~ m@^\+[ \t]*(\/\*|\*\/)@ &&
+ $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) {
+ WARN("NETWORKING_BLOCK_COMMENT_STYLE",
+ "networking block comments put the trailing */ on a separate line\n" . $herecurr);
+ }
+
# check for spaces at the beginning of a line.
# Exceptions:
# 1) within comments
@@ -2390,8 +2413,10 @@ sub process {
my $orig = $1;
my $level = lc($orig);
$level = "warn" if ($level eq "warning");
+ my $level2 = $level;
+ $level2 = "dbg" if ($level eq "debug");
WARN("PREFER_PR_LEVEL",
- "Prefer pr_$level(... to printk(KERN_$1, ...\n" . $herecurr);
+ "Prefer netdev_$level2(netdev, ... then dev_$level2(dev, ... then pr_$level(... to printk(KERN_$orig ...\n" . $herecurr);
}
if ($line =~ /\bpr_warning\s*\(/) {
@@ -2947,7 +2972,7 @@ sub process {
my $exceptions = qr{
$Declare|
module_param_named|
- MODULE_PARAM_DESC|
+ MODULE_PARM_DESC|
DECLARE_PER_CPU|
DEFINE_PER_CPU|
__typeof__\(|
@@ -3016,7 +3041,8 @@ sub process {
$herectx .= raw_line($linenr, $n) . "\n";
}
- if (($stmts =~ tr/;/;/) == 1) {
+ if (($stmts =~ tr/;/;/) == 1 &&
+ $stmts !~ /^\s*(if|while|for|switch)\b/) {
WARN("SINGLE_STATEMENT_DO_WHILE_MACRO",
"Single statement macros should not use a do {} while (0) loop\n" . "$herectx");
}