[PATCH] pinctrl: imx: fix assigning groups names

* [PATCH] pinctrl: imx: fix assigning groups names
@ 2021-12-27 12:22 Rafał Miłecki
  2021-12-27 12:34 ` Fabio Estevam
  2022-01-02  6:34 ` Linus Walleij
  0 siblings, 2 replies; 3+ messages in thread
From: Rafał Miłecki @ 2021-12-27 12:22 UTC (permalink / raw)
  To: Linus Walleij
  Cc: Dong Aisheng, Fabio Estevam, Shawn Guo, Stefan Agner,
	Pengutronix Kernel Team, Sascha Hauer, NXP Linux Team, linux-gpio,
	linux-arm-kernel, Rafał Miłecki

From: Rafał Miłecki <rafal@milecki.pl>

This fixes regression caused by incorrect array indexing.

Reported-by: Fabio Estevam <festevam@gmail.com>
Fixes: 02f117134952 ("pinctrl: imx: prepare for making "group_names" in "function_desc" const")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
 drivers/pinctrl/freescale/pinctrl-imx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 16bc1bfc03e4..fa3cc0b80ede 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -649,7 +649,7 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
 	struct function_desc *func;
 	struct group_desc *grp;
 	const char **group_names;
-	u32 i = 0;
+	u32 i;
 
 	dev_dbg(pctl->dev, "parse function(%d): %pOFn\n", index, np);
 
@@ -669,10 +669,12 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
 				   sizeof(char *), GFP_KERNEL);
 	if (!group_names)
 		return -ENOMEM;
+	i = 0;
 	for_each_child_of_node(np, child)
-		group_names[i] = child->name;
+		group_names[i++] = child->name;
 	func->group_names = group_names;
 
+	i = 0;
 	for_each_child_of_node(np, child) {
 		grp = devm_kzalloc(ipctl->dev, sizeof(struct group_desc),
 				   GFP_KERNEL);
-- 
2.31.1


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