Commit b36190c5 authored Jan 27, 2014 by Joe Perches Committed by Linus Torvalds Jan 27, 2014

checkpatch.pl: check for function declarations without arguments



Functions like this one are evil:

void foo()
{
	...
}

Because these functions allow variadic arguments without
checking the arguments at all.

Original patch by Richard Weinberger.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Borislav Petkov <bp@alien8.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent a3978a51

scripts/checkpatch.pl

+9 −0

Original line number	Diff line number	Diff line
		@@ -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",