On Sun, 5 Jun 2011, Greg Dietsche wrote:

> This semantic patch finds code matching this pattern:
>       if(ret)
>               return ret;
>       return ret;
> 
> I will be submitting patches shortly against the mainline to cleanup all
> code matching this pattern.
> 
> Signed-off-by: Greg Dietsche <[email protected]>
> ---
>  scripts/coccinelle/misc/doublereturn.cocci |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
>  create mode 100644 scripts/coccinelle/misc/doublereturn.cocci
> 
> diff --git a/scripts/coccinelle/misc/doublereturn.cocci 
> b/scripts/coccinelle/misc/doublereturn.cocci
> new file mode 100644
> index 0000000..656a118
> --- /dev/null
> +++ b/scripts/coccinelle/misc/doublereturn.cocci
> @@ -0,0 +1,20 @@
> +/// Remove unecessary if/return in code that follows this pattern:
> +///  if(retval)
> +///          return retval;
> +///  return retval;
> +//
> +// Confidence: High
> +// Copyright: (C) 2011 Greg Dietsche GPLv2.
> +// URL: http://www.gregd.org
> +// Comments:
> +// Options: -no_includes
> +
> +virtual patch
> +
> +@@

This line should be @depends on patch@

julia

> +identifier retval;
> +@@
> +-if (retval)
> +-    return retval;
> +-return retval;
> ++return retval;
> -- 
> 1.7.2.5
> 
> 
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