[PATCH 5.10 603/663] nvmem: qcom-spmi-sdam: Fix uninitialized pdev pointer

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 22:12:52 EST


From: Subbaraman Narayanamurthy <subbaram@xxxxxxxxxxxxxx>

commit e2057ee29973b9741d43d3f475a6b02fb46a0e61 upstream.

"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.

Fixes: 40ce9798794f ("nvmem: add QTI SDAM driver")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Subbaraman Narayanamurthy <subbaram@xxxxxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210205100853.32372-3-srinivas.kandagatla@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nvmem/qcom-spmi-sdam.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

--- 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, unsigne
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, unsign
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)) {