From f1b33ce48ae77a04021ea0a5dab09f67315cad44 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Mon, 4 Dec 2023 10:35:03 +0100 Subject: gpio: stmpe: use gpiochip_dup_line_label() Use the new gpiochip_dup_line_label() helper to safely retrieve the descriptor label. Signed-off-by: Bartosz Golaszewski Acked-by: Linus Walleij --- drivers/gpio/gpio-stmpe.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/gpio/gpio-stmpe.c') diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c index 27cc4da53565..6c5ee81d71b3 100644 --- a/drivers/gpio/gpio-stmpe.c +++ b/drivers/gpio/gpio-stmpe.c @@ -5,6 +5,7 @@ * Author: Rabin Vincent for ST-Ericsson */ +#include #include #include #include @@ -255,7 +256,6 @@ static void stmpe_dbg_show_one(struct seq_file *s, { struct stmpe_gpio *stmpe_gpio = gpiochip_get_data(gc); struct stmpe *stmpe = stmpe_gpio->stmpe; - const char *label = gpiochip_is_requested(gc, offset); bool val = !!stmpe_gpio_get(gc, offset); u8 bank = offset / 8; u8 dir_reg = stmpe->regs[STMPE_IDX_GPDR_LSB + bank]; @@ -263,6 +263,10 @@ static void stmpe_dbg_show_one(struct seq_file *s, int ret; u8 dir; + char *label __free(kfree) = gpiochip_dup_line_label(gc, offset); + if (IS_ERR(label)) + return; + ret = stmpe_reg_read(stmpe, dir_reg); if (ret < 0) return; -- cgit v1.2.3-70-g09d2