linux-kernel - Re: [PATCH] video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu

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Date:   Mon, 21 Aug 2017 16:17:58 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: fbdev: pxa3xx_gcu: fix error return code in
 pxa3xx_gcu_probe()

On Tuesday, August 08, 2017 05:17:30 PM Gustavo A. R. Silva wrote:
> platform_get_irq() returns an error code, but the pxa3xx_gcu driver
> ignores it and always returns -ENODEV. This is not correct and,
> prevents -EPROBE_DEFER from being propagated properly.
> 
> Also, notice that platform_get_irq() no longer returns 0 on error:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af
> 
> Print and propagate the return value of platform_get_irq on failure.
> 
> This issue was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Patch queued for 4.14, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics