Re: [PATCH 7/10] drivers/net/davinci_emac.c: add missing clk_put

From: Kevin Hilman
Date: Wed Jun 01 2011 - 15:49:36 EST


On Wed, 2011-06-01 at 19:10 +0200, Julia Lawall wrote:
> From: Julia Lawall <julia@xxxxxxx>
>
> Go to existing error handling code at the end of the function that calls
> clk_put.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @r exists@
> expression e1,e2;
> statement S;
> @@
>
> e1 = clk_get@p1(...);
> ... when != e1 = e2
> when != clk_put(e1)
> when any
> if (...) { ... when != clk_put(e1)
> when != if (...) { ... clk_put(e1) ... }
> * return@p3 ...;
> } else S
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@xxxxxxx>

Acked-by: Kevin Hilman <khilman@xxxxxx>


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