Re: [PATCH] omapfb/dss: Delete an error message for a failed memory allocation in three functions

From: "Andrew F. Davis" <afd@ti.com>
To: SF Markus Elfring <elfring@users.sourceforge.net>,
	<linux-omap@vger.kernel.org>, <linux-fbdev@vger.kernel.org>,
	<dri-devel@lists.freedesktop.org>,
	Arvind Yadav <arvind.yadav.cs@gmail.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: LKML <linux-kernel@vger.kernel.org>, <kernel-janitors@vger.kernel.org>
Subject: Re: [PATCH] omapfb/dss: Delete an error message for a failed memory allocation in three functions
Date: Mon, 27 Nov 2017 10:43:54 -0600	[thread overview]
Message-ID: <d29a0bae-7b6f-b8f6-6809-5a097cd5a26a@ti.com> (raw)
In-Reply-To: <c48a01db-c477-3bd3-5cb4-548e47810ccb@users.sourceforge.net>

On 11/26/2017 12:55 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 26 Nov 2017 19:46:09 +0100
> 
> Omit an extra message for a memory allocation failure in these functions.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---

nak, unlike many others, these message give extra info on which
allocation failed, that can be useful.

>  drivers/video/fbdev/omap2/omapfb/dss/dispc.c    | 4 +---
>  drivers/video/fbdev/omap2/omapfb/dss/dss.c      | 4 +---
>  drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c | 4 +---
>  3 files changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> index 7a75dfda9845..10164a3bae4a 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
> @@ -3982,10 +3982,8 @@ static int dispc_init_features(struct platform_device *pdev)
>  	struct dispc_features *dst;
>  
>  	dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
> -	if (!dst) {
> -		dev_err(&pdev->dev, "Failed to allocate DISPC Features\n");
> +	if (!dst)
>  		return -ENOMEM;
> -	}
>  
>  	switch (omapdss_get_version()) {
>  	case OMAPDSS_VER_OMAP24xx:
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> index 48c6500c24e1..a5de13777e2b 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
> @@ -893,10 +893,8 @@ static int dss_init_features(struct platform_device *pdev)
>  	struct dss_features *dst;
>  
>  	dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
> -	if (!dst) {
> -		dev_err(&pdev->dev, "Failed to allocate local DSS Features\n");
> +	if (!dst)
>  		return -ENOMEM;
> -	}
>  
>  	switch (omapdss_get_version()) {
>  	case OMAPDSS_VER_OMAP24xx:
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
> index 9a13c35fd6d8..d25eea10c665 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_phy.c
> @@ -195,10 +195,8 @@ static int hdmi_phy_init_features(struct platform_device *pdev)
>  	const struct hdmi_phy_features *src;
>  
>  	dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
> -	if (!dst) {
> -		dev_err(&pdev->dev, "Failed to allocate HDMI PHY Features\n");
> +	if (!dst)
>  		return -ENOMEM;
> -	}
>  
>  	switch (omapdss_get_version()) {
>  	case OMAPDSS_VER_OMAP4430_ES1:
> 