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ath79: gpio-latch-mikrotik: use devm_mutex_init

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Avoids needing to call mutex_destroy in error paths, which is missing
anyway.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16620
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Rosen Penev 2024-10-04 13:24:29 -07:00 committed by Robert Marko
parent 73d3789e67
commit d51353db26
1 changed files with 8 additions and 3 deletions
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11
target/linux/ath79/files/drivers/gpio/gpio-latch-mikrotik.c
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@ -110,14 +110,19 @@ static int gpio_latch_probe(struct platform_device *pdev)
struct gpio_latch_chip *glc;
struct gpio_chip *gc;
struct device *dev = &pdev->dev;
int i, n;
int err, i, n;
glc = devm_kzalloc(dev, sizeof(*glc), GFP_KERNEL);
if (!glc)
return -ENOMEM;
mutex_init(&glc->mutex);
mutex_init(&glc->latch_mutex);
err = devm_mutex_init(&pdev->dev, &glc->mutex);
if (err)
return err;
err = devm_mutex_init(&pdev->dev, &glc->latch_mutex);
if (err)
return err;
n = gpiod_count(dev, NULL);
if (n <= 0)