Make common boot file_loadraw name parameter const

Fix compiler warnings about dropping const qualifier by changing file_loadraw
name param to const, and updating method to make that the case (it was
abusing the variable).

MFC after:	2 weeks
X-MFC-With:	r293268
Sponsored by:	Multiplay

2 files changed, 7 insertions, 8 deletions

diff --git a/sys/boot/common/bootstrap.h b/sys/boot/common/bootstrap.h
index 78d742d..7efc2c2 100644
--- a/sys/boot/common/bootstrap.h
+++ b/sys/boot/common/bootstrap.h
@@ -237,7 +237,7 @@ void			unload(void);
 struct preloaded_file *file_alloc(void);
 struct preloaded_file *file_findfile(const char *name, const char *type);
 struct file_metadata *file_findmetadata(struct preloaded_file *fp, int type);
-struct preloaded_file *file_loadraw(char *name, char *type, int insert);
+struct preloaded_file *file_loadraw(const char *name, char *type, int insert);
 void file_discard(struct preloaded_file *fp);
 void file_addmetadata(struct preloaded_file *fp, int type, size_t size, void *p);
 int  file_addmodule(struct preloaded_file *fp, char *modname, int version,
diff --git a/sys/boot/common/module.c b/sys/boot/common/module.c
index d73f1c8..923da5b 100644
--- a/sys/boot/common/module.c
+++ b/sys/boot/common/module.c
@@ -388,14 +388,14 @@ file_load_dependencies(struct preloaded_file *base_file)
 }
 
 /*
- * We've been asked to load (name) as (type), so just suck it in,
+ * We've been asked to load (fname) as (type), so just suck it in,
  * no arguments or anything.
  */
 struct preloaded_file *
-file_loadraw(char *name, char *type, int insert)
+file_loadraw(const char *fname, char *type, int insert)
 {
     struct preloaded_file	*fp;
-    char			*cp;
+    char			*name;
     int				fd, got;
     vm_offset_t			laddr;
 
@@ -406,12 +406,11 @@ file_loadraw(char *name, char *type, int insert)
     }
 
     /* locate the file on the load path */
-    cp = file_search(name, NULL);
-    if (cp == NULL) {
-	sprintf(command_errbuf, "can't find '%s'", name);
+    name = file_search(fname, NULL);
+    if (name == NULL) {
+	sprintf(command_errbuf, "can't find '%s'", fname);
 	return(NULL);
     }
-    name = cp;
 
     if ((fd = open(name, O_RDONLY)) < 0) {
 	sprintf(command_errbuf, "can't open '%s': %s", name, strerror(errno));