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-rw-r--r--src/libudev/libudev-device.c2
-rw-r--r--src/libudev/libudev.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
index 6bb2e41510..eb43668c56 100644
--- a/src/libudev/libudev-device.c
+++ b/src/libudev/libudev-device.c
@@ -780,7 +780,7 @@ _public_ struct udev_device *udev_device_new_from_devnum(struct udev *udev, char
*
* Returns: a new udev device, or #NULL, if it does not exist
**/
-_public_ struct udev_device *udev_device_new_from_device_id(struct udev *udev, char *id)
+_public_ struct udev_device *udev_device_new_from_device_id(struct udev *udev, const char *id)
{
char type;
int maj, min;
diff --git a/src/libudev/libudev.h b/src/libudev/libudev.h
index 61567b1d67..b9b8f13e44 100644
--- a/src/libudev/libudev.h
+++ b/src/libudev/libudev.h
@@ -81,7 +81,7 @@ struct udev *udev_device_get_udev(struct udev_device *udev_device);
struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath);
struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum);
struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname);
-struct udev_device *udev_device_new_from_device_id(struct udev *udev, char *id);
+struct udev_device *udev_device_new_from_device_id(struct udev *udev, const char *id);
struct udev_device *udev_device_new_from_environment(struct udev *udev);
/* udev_device_get_parent_*() does not take a reference on the returned device, it is automatically unref'd with the parent */
struct udev_device *udev_device_get_parent(struct udev_device *udev_device);