From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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>
---
drivers/hid/hid-cp2112.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index f4c8d981aa0a..a001b9acd2d4 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -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) {
--
2.45.2