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-rwxr-xr-xscripts/checkpatch.pl13
1 files changed, 13 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 0b40af57e71e..1054283c6e70 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3931,6 +3931,19 @@ sub process {
}
}
+# don't use __constant_<foo> functions outside of include/uapi/
+ if ($realfile !~ m@^include/uapi/@ &&
+ $line =~ /(__constant_(?:htons|ntohs|[bl]e(?:16|32|64)_to_cpu|cpu_to_[bl]e(?:16|32|64)))\s*\(/) {
+ my $constant_func = $1;
+ my $func = $constant_func;
+ $func =~ s/^__constant_//;
+ if (WARN("CONSTANT_CONVERSION",
+ "$constant_func should be $func\n" . $herecurr) &&
+ $fix) {
+ $fixed[$linenr - 1] =~ s/\b$constant_func\b/$func/g;
+ }
+ }
+
# prefer usleep_range over udelay
if ($line =~ /\budelay\s*\(\s*(\d+)\s*\)/) {
my $delay = $1;