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HID: cp2112: destroy mutex on driver detach

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Use the devres variant of mutex_init() in order to free resources
allocated with mutex debugging enabled.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Bartosz Golaszewski 2025-04-23 10:55:39 +02:00 committed by Jiri Kosina
parent 5e06802b42
commit a99548b834
1 changed files with 6 additions and 1 deletions
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7
drivers/hid/hid-cp2112.c
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@ -22,6 +22,7 @@
#include <linux/hidraw.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/nls.h>
#include <linux/string_choices.h>
#include <linux/usb/ch9.h>
@ -1205,7 +1206,11 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (!dev->in_out_buffer)
return -ENOMEM;
mutex_init(&dev->lock);
ret = devm_mutex_init(&hdev->dev, &dev->lock);
if (ret) {
hid_err(hdev, "mutex init failed\n");
return ret;
}
ret = hid_parse(hdev);
if (ret) {