[PATCH v1 12/19] pinctrl: armada-37xx: Switch to use devm_kasprintf_strarray()
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2021-11-05 12:43:29
Also in:
linux-gpio, linux-rockchip, lkml
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, pin control subsystem, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Walleij, Linus Torvalds
Since we have a generic helper, switch the module to use it. As a side effect, add check for the memory allocation failures and cleanup it either in error case or when driver is unloading. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index f48745c43419..08cad14042e2 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c@@ -23,6 +23,7 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/string_helpers.h> #include "../pinctrl-utils.h"
@@ -951,6 +952,7 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, struct pinctrl_desc *ctrldesc = &info->pctl; struct pinctrl_pin_desc *pindesc, *pdesc; struct device *dev = &pdev->dev; + char **pin_names; int pin, ret; info->groups = pin_data->groups;
@@ -969,11 +971,14 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, ctrldesc->pins = pindesc; ctrldesc->npins = pin_data->nr_pins; + pin_names = devm_kasprintf_strarray(dev, pin_data->name, pin_data->nr_pins); + if (IS_ERR(pin_names)) + return PTR_ERR(pin_names); + pdesc = pindesc; for (pin = 0; pin < pin_data->nr_pins; pin++) { pdesc->number = pin; - pdesc->name = kasprintf(GFP_KERNEL, "%s-%d", - pin_data->name, pin); + pdesc->name = pin_names[pin]; pdesc++; }
--
2.33.0
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