device_tree: Constify compat in qemu_fdt_node_path()

Make compat in qemu_fdt_node_path() const char *.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20200423121114.4274-3-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/device_tree.c b/device_tree.c
index f5b4699..b335dae 100644 (file)
--- a/device_tree.c
+++ b/device_tree.c
@@ -291,7 +291,7 @@ char **qemu_fdt_node_unit_path(void *fdt, const char *name, Error **errp)
     return path_array;
 }
 
-char **qemu_fdt_node_path(void *fdt, const char *name, char *compat,
+char **qemu_fdt_node_path(void *fdt, const char *name, const char *compat,
                           Error **errp)
 {
     int offset, len, ret;

diff --git a/include/sysemu/device_tree.h b/include/sysemu/device_tree.h
index 7c53ef7..982c893 100644 (file)
--- a/include/sysemu/device_tree.h
+++ b/include/sysemu/device_tree.h
@@ -43,7 +43,7 @@ void *load_device_tree_from_sysfs(void);
  * @name may be NULL to wildcard names and only match compatibility
  * strings.
  */
-char **qemu_fdt_node_path(void *fdt, const char *name, char *compat,
+char **qemu_fdt_node_path(void *fdt, const char *name, const char *compat,
                           Error **errp);
 
 /**