linux-kernel - Re: [RESEND PATCH] nvmem: qcom-spmi-sdam: Fix uninitialized pdev pointer

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Date:   Thu, 4 Feb 2021 14:25:59 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [RESEND PATCH] nvmem: qcom-spmi-sdam: Fix uninitialized pdev
 pointer



On 03/02/2021 18:15, Subbaraman Narayanamurthy wrote:
> "sdam->pdev" is uninitialized and it is used to print error logs.
> Fix it. Since device pointer can be used from sdam_config, use it
> directly thereby removing pdev pointer.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Subbaraman Narayanamurthy <subbaram@...eaurora.org>
> ---

Applied thanks,

--srini

>   drivers/nvmem/qcom-spmi-sdam.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/nvmem/qcom-spmi-sdam.c b/drivers/nvmem/qcom-spmi-sdam.c
> index a72704c..f6e9f96 100644
> --- a/drivers/nvmem/qcom-spmi-sdam.c
> +++ b/drivers/nvmem/qcom-spmi-sdam.c
> @@ -1,6 +1,6 @@
>   // SPDX-License-Identifier: GPL-2.0-only
>   /*
> - * Copyright (c) 2017, 2020 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2017, 2020-2021, The Linux Foundation. All rights reserved.
>    */
>   
>   #include <linux/device.h>
> @@ -18,7 +18,6 @@
>   #define SDAM_PBS_TRIG_CLR		0xE6
>   
>   struct sdam_chip {
> -	struct platform_device		*pdev;
>   	struct regmap			*regmap;
>   	struct nvmem_config		sdam_config;
>   	unsigned int			base;
> @@ -65,7 +64,7 @@ static int sdam_read(void *priv, unsigned int offset, void *val,
>   				size_t bytes)
>   {
>   	struct sdam_chip *sdam = priv;
> -	struct device *dev = &sdam->pdev->dev;
> +	struct device *dev = sdam->sdam_config.dev;
>   	int rc;
>   
>   	if (!sdam_is_valid(sdam, offset, bytes)) {
> @@ -86,7 +85,7 @@ static int sdam_write(void *priv, unsigned int offset, void *val,
>   				size_t bytes)
>   {
>   	struct sdam_chip *sdam = priv;
> -	struct device *dev = &sdam->pdev->dev;
> +	struct device *dev = sdam->sdam_config.dev;
>   	int rc;
>   
>   	if (!sdam_is_valid(sdam, offset, bytes)) {
>