linux-kernel - Re: [PATCH] drivers/video/wm8505fb.c: use devm

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Date:	Sun, 9 Dec 2012 08:21:33 +0100 (CET)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Tony Prisk <linux@...sktech.co.nz>
cc:	Julia Lawall <Julia.Lawall@...6.fr>, linux-fbdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Florian Tobias Schandinat <FlorianSchandinat@....de>
Subject: Re: [PATCH] drivers/video/wm8505fb.c: use devm_ functions

> Rather than the goto, add the fail path code in directly, and return.
>
>
> ret = register_framebuffer(&fbi->fb);
> if (ret < 0) {
>  dev_err(&pdev->dev,
>  "Failed to register framebuffer device: %d\n", ret);
>  if (fbi->fb.cmap.len)
>    fb_dealloc_cmap(&fbi->fb.cmap);
>  return ret;
> }

So there is no need for the platform_set_drvdata(pdev, NULL); ?

Also, do you know if it is correct that the original code does not include
a call to dma_free_coherent?

thanks,
julia
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