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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
| commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
| tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/gpio/gpio-wm831x.c | |
| parent | Adding upstream version 6.7.12. (diff) | |
| download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip | |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpio/gpio-wm831x.c')
| -rw-r--r-- | drivers/gpio/gpio-wm831x.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c index 7eaf8a2863..f7d5120ff8 100644 --- a/drivers/gpio/gpio-wm831x.c +++ b/drivers/gpio/gpio-wm831x.c @@ -8,6 +8,7 @@ * */ +#include <linux/cleanup.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> @@ -160,18 +161,21 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) for (i = 0; i < chip->ngpio; i++) { int gpio = i + chip->base; int reg; - const char *label, *pull, *powerdomain; + const char *pull, *powerdomain; /* We report the GPIO even if it's not requested since * we're also reporting things like alternate * functions which apply even when the GPIO is not in * use as a GPIO. */ - label = gpiochip_is_requested(chip, i); - if (!label) - label = "Unrequested"; + char *label __free(kfree) = gpiochip_dup_line_label(chip, i); + if (IS_ERR(label)) { + dev_err(wm831x->dev, "Failed to duplicate label\n"); + continue; + } - seq_printf(s, " gpio-%-3d (%-20.20s) ", gpio, label); + seq_printf(s, " gpio-%-3d (%-20.20s) ", + gpio, label ?: "Unrequested"); reg = wm831x_reg_read(wm831x, WM831X_GPIO1_CONTROL + i); if (reg < 0) { |