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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2024-10-30 18:36:52 +0100
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2024-10-31 13:48:25 +0100
commit90bad749858cf88d80af7c2b23f86db4f7ad61c2 (patch)
tree36a988271c6bfe9c174408dc1672e4998cd4c7f8 /drivers/gpio/gpio-sloppy-logic-analyzer.c
parentgpio: fix uninit-value in swnode_find_gpio (diff)
downloadlinux-90bad749858cf88d80af7c2b23f86db4f7ad61c2.tar.xz
linux-90bad749858cf88d80af7c2b23f86db4f7ad61c2.zip
gpio: sloppy-logic-analyzer: Check for error code from devm_mutex_init() call
Even if it's not critical, the avoidance of checking the error code from devm_mutex_init() call today diminishes the point of using devm variant of it. Tomorrow it may even leak something. Add the missed check. Fixes: 7828b7bbbf20 ("gpio: add sloppy logic analyzer using polling") Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20241030174132.2113286-3-andriy.shevchenko@linux.intel.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to '')
-rw-r--r--drivers/gpio/gpio-sloppy-logic-analyzer.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-sloppy-logic-analyzer.c b/drivers/gpio/gpio-sloppy-logic-analyzer.c
index 07e0d7180579..59a8f3a5c4e4 100644
--- a/drivers/gpio/gpio-sloppy-logic-analyzer.c
+++ b/drivers/gpio/gpio-sloppy-logic-analyzer.c
@@ -234,7 +234,9 @@ static int gpio_la_poll_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
- devm_mutex_init(dev, &priv->blob_lock);
+ ret = devm_mutex_init(dev, &priv->blob_lock);
+ if (ret)
+ return ret;
fops_buf_size_set(priv, GPIO_LA_DEFAULT_BUF_SIZE);