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SubjectRe: [PATCH 8/10] drivers/video/imxfb.c: add missing clk_put
On Wed, Jun 01, 2011 at 07:10:11PM +0200, Julia Lawall wrote:
> From: Julia Lawall <julia@diku.dk>
>
> Reorder the labels at the end of the function to correspond to the order in
> which the resources are allocated.
>
> 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@diku.dk>

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>

>
> ---
> drivers/video/imxfb.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
> index d2ccfd6..f135dbe 100644
> --- a/drivers/video/imxfb.c
> +++ b/drivers/video/imxfb.c
> @@ -856,10 +856,10 @@ failed_platform_init:
> dma_free_writecombine(&pdev->dev,fbi->map_size,fbi->map_cpu,
> fbi->map_dma);
> failed_map:
> - clk_put(fbi->clk);
> -failed_getclock:
> iounmap(fbi->regs);
> failed_ioremap:
> + clk_put(fbi->clk);
> +failed_getclock:
> release_mem_region(res->start, resource_size(res));
> failed_req:
> kfree(info->pseudo_palette);
>
>

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