Re: [PATCH v4] checkpatch: debugfs_remove() can take NULL

[Joe Perches]

On Tue, 2012-11-20 at 14:29 +0000, Andy Whitcroft wrote:

> This all looks sensible, though we still have three blocks doing the
> same thing.  How about we standardise this check into a single check,
> generating the capacity from the matched name.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> +			if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
> +				my $func = $1;
> +				my $func_capacity = "NEEDLESS_$1";
> +
> +				$func_capacity =~ s/(.$)/\U$1\E/;
> +
> +				WARN($func_capacity,
> +				     "$func(NULL) is safe this check is probably not required\n" . $hereprev);

Perhaps just
				WARN("NEEDLESS_IF",
...


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