Index: uspace/lib/usb/src/dev.c
===================================================================
--- uspace/lib/usb/src/dev.c	(revision acdb5bacffa0840fa18ced3443b7bcb244837b8d)
+++ uspace/lib/usb/src/dev.c	(revision 3de67b4cff4994af4a74b190c5b094f45c15b561)
@@ -114,5 +114,5 @@
 
 static bool try_parse_bus_and_address(const char *path,
-    char **func_start,
+    const char **func_start,
     devman_handle_t *out_hc_handle, usb_address_t *out_device_address)
 {
@@ -120,5 +120,5 @@
 	size_t address;
 	int rc;
-	char *ptr;
+	const char *ptr;
 
 	rc = str_uint64_t(path, &ptr, 10, false, &sid);
@@ -188,5 +188,5 @@
 	int rc;
 	bool is_bus_addr;
-	char *func_start = NULL;
+	const char *func_start = NULL;
 	char *path = NULL;