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From: Borislav Petkov <bp@alien8.de>
To: Robert Richter <rrichter@marvell.com>
Cc: James Morse <james.morse@arm.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 05/24] EDAC, mc: Fix and improve sysfs init functions
Date: Tue, 13 Aug 2019 10:26:55 +0200
Message-ID: <20190813082655.GD16770@zn.tnic> (raw)
In-Reply-To: <20190624150758.6695-6-rrichter@marvell.com>

On Mon, Jun 24, 2019 at 03:09:02PM +0000, Robert Richter wrote:
> Remove gotos as they just create overhead.

Overhead?

> Also, fix debug message for
> the case edac_create_dimm_object() is failing.
> 
> Signed-off-by: Robert Richter <rrichter@marvell.com>
> ---
>  drivers/edac/edac_mc_sysfs.c | 25 +++++++++----------------
>  1 file changed, 9 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
> index 7c01e1cc030c..29dd9719f82f 100644
> --- a/drivers/edac/edac_mc_sysfs.c
> +++ b/drivers/edac/edac_mc_sysfs.c
> @@ -655,8 +655,9 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci,
>  	err = device_add(&dimm->dev);
>  	if (err)
>  		put_device(&dimm->dev);
> -
> -	edac_dbg(0, "created rank/dimm device %s\n", dev_name(&dimm->dev));
> +	else
> +		edac_dbg(0, "created rank/dimm device %s\n",
> +			dev_name(&dimm->dev));

Please add a message to the error case too.

>  	return err;
>  }
> @@ -938,7 +939,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
>  	if (err < 0) {
>  		edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
>  		put_device(&mci->dev);
> -		goto out;
> +		return err;
>  	}
>  
>  	/*
> @@ -987,7 +988,6 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
>  	}
>  	device_unregister(&mci->dev);
>  
> -out:
>  	return err;
>  }
>  
> @@ -1044,10 +1044,8 @@ int __init edac_mc_sysfs_init(void)
>  	int err;
>  
>  	mci_pdev = kzalloc(sizeof(*mci_pdev), GFP_KERNEL);
> -	if (!mci_pdev) {
> -		err = -ENOMEM;
> -		goto out;
> -	}
> +	if (!mci_pdev)
> +		return -ENOMEM;
>  
>  	mci_pdev->bus = edac_get_sysfs_subsys();
>  	mci_pdev->type = &mc_attr_type;
> @@ -1056,15 +1054,10 @@ int __init edac_mc_sysfs_init(void)
>  
>  	err = device_add(mci_pdev);
>  	if (err < 0)
> -		goto out_put_device;
> -
> -	edac_dbg(0, "device %s created\n", dev_name(mci_pdev));
> -
> -	return 0;
> +		put_device(mci_pdev);
> +	else
> +		edac_dbg(0, "device %s created\n", dev_name(mci_pdev));

Ditto.

Thx.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

  reply index

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-24 15:08 [PATCH v2 00/24] EDAC, mc, ghes: Fixes and updates to improve memory error reporting Robert Richter
2019-06-24 15:08 ` [PATCH v2 01/24] EDAC, mc: Fix grain_bits calculation Robert Richter
2019-08-03 10:08   ` Borislav Petkov
2019-06-24 15:08 ` [PATCH v2 02/24] EDAC, ghes: Fix grain calculation Robert Richter
2019-08-09 13:15   ` Borislav Petkov
2019-08-12  6:42     ` Robert Richter
2019-08-12  7:32       ` Borislav Petkov
2019-08-12 12:05         ` Robert Richter
2019-08-12 12:38           ` Borislav Petkov
2019-06-24 15:08 ` [PATCH v2 03/24] EDAC, ghes: Remove pvt->detail_location string Robert Richter
2019-08-02 17:04   ` James Morse
2019-08-07  9:00     ` Robert Richter
2019-08-13  8:09   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 04/24] EDAC, ghes: Unify trace_mc_event() code with edac_mc driver Robert Richter
2019-06-24 15:09 ` [PATCH v2 05/24] EDAC, mc: Fix and improve sysfs init functions Robert Richter
2019-08-13  8:26   ` Borislav Petkov [this message]
2019-06-24 15:09 ` [PATCH v2 06/24] EDAC: Kill EDAC_DIMM_PTR() macro Robert Richter
2019-08-13 14:59   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 07/24] EDAC: Kill EDAC_DIMM_OFF() macro Robert Richter
2019-08-14 14:52   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 08/24] EDAC: Introduce mci_for_each_dimm() iterator Robert Richter
2019-08-14 15:18   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 09/24] EDAC, mc: Cleanup _edac_mc_free() code Robert Richter
2019-08-14 16:31   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 10/24] EDAC, mc: Remove per layer counters Robert Richter
2019-08-16  9:24   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 11/24] EDAC, mc: Rework edac_raw_mc_handle_error() to use struct dimm_info Robert Richter
2019-06-24 15:09 ` [PATCH v2 12/24] EDAC, ghes: Use standard kernel macros for page calculations Robert Richter
2019-08-02 17:04   ` James Morse
2019-08-07  9:52     ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 13/24] EDAC, ghes: Add support for legacy API counters Robert Richter
2019-08-16  9:55   ` Borislav Petkov
2019-06-24 15:09 ` [PATCH v2 14/24] EDAC, ghes: Rework memory hierarchy detection Robert Richter
2019-06-24 15:09 ` [PATCH v2 15/24] EDAC, ghes: Extract numa node information for each dimm Robert Richter
2019-08-02 17:05   ` James Morse
2019-08-09 13:09     ` Robert Richter
2019-06-24 15:09 ` [PATCH v2 16/24] EDAC, ghes: Moving code around ghes_edac_register() Robert Richter
2019-06-24 15:09 ` [PATCH v2 17/24] EDAC, ghes: Create one memory controller device per node Robert Richter
2019-06-24 15:09 ` [PATCH v2 18/24] EDAC, ghes: Fill sysfs with the DMI DIMM label information Robert Richter
2019-06-24 15:09 ` [PATCH v2 19/24] EDAC, mc: Introduce edac_mc_alloc_by_dimm() for per dimm allocation Robert Richter
2019-06-24 15:09 ` [PATCH v2 20/24] EDAC, ghes: Identify dimm by node, card, module and handle Robert Richter
2019-06-24 15:09 ` [PATCH v2 21/24] EDAC, ghes: Enable per-layer reporting based on card/module Robert Richter
2019-06-24 15:09 ` [PATCH v2 22/24] EDAC, ghes: Move struct member smbios_handle to struct ghes_dimm_info Robert Richter
2019-06-24 15:09 ` [PATCH v2 23/24] EDAC, Documentation: Describe CPER module definition and DIMM ranks Robert Richter
2019-06-24 15:09 ` [PATCH v2 24/24] EDAC, ghes: Disable legacy API for ARM64 Robert Richter
2019-06-26  9:33   ` James Morse
2019-06-26 10:11     ` Robert Richter
2019-08-02  7:58 ` [PATCH v2 00/24] EDAC, mc, ghes: Fixes and updates to improve memory error reporting Robert Richter

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