checkpatch.pl: check for function declarations without arguments

[karo-tx-linux.git] / scripts / checkpatch.pl

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 05c99c0b7e6c8e272f374c05f3fa86804efaa5ed..be53ba79e09fa457bbd48e7618c084d35d9ed1be 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2665,6 +2665,15 @@ sub process {
                                $herecurr);
                }
 
+# check for function declarations without arguments like "int foo()"
+               if ($line =~ /(\b$Type\s+$Ident)\s*\(\s*\)/) {
+                       if (ERROR("FUNCTION_WITHOUT_ARGS",
+                                 "Bad function definition - $1() should probably be $1(void)\n" . $herecurr) &&
+                           $fix) {
+                               $fixed[$linenr - 1] =~ s/(\b($Type)\s+($Ident))\s*\(\s*\)/$2 $3(void)/;
+                       }
+               }
+
 # check for uses of DEFINE_PCI_DEVICE_TABLE
                if ($line =~ /\bDEFINE_PCI_DEVICE_TABLE\s*\(\s*(\w+)\s*\)\s*=/) {
                        if (WARN("DEFINE_PCI_DEVICE_TABLE",