arm: don't create useless copies to pass into debugfs_create_dir()

its first argument is const char * and it's really not modified...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/arm/mach-ux500/clock.c

@@ -636,15 +636,12 @@ static struct dentry *clk_debugfs_register_dir(struct clk *c,
 						struct dentry *p_dentry)
 {
 	struct dentry *d, *clk_d;
-	char s[255];
-	char *p = s;
+	const char *p = c->name;
 
-	if (c->name == NULL)
-		p += sprintf(p, "BUG");
-	else
-		p += sprintf(p, "%s", c->name);
+	if (!p)
+		p = "BUG";
 
-	clk_d = debugfs_create_dir(s, p_dentry);
+	clk_d = debugfs_create_dir(p, p_dentry);
 	if (!clk_d)
 		return NULL;
 

arch/arm/plat-omap/clock.c

@@ -482,11 +482,8 @@ static int clk_debugfs_register_one(struct clk *c)
 	int err;
 	struct dentry *d;
 	struct clk *pa = c->parent;
-	char s[255];
-	char *p = s;
 
-	p += sprintf(p, "%s", c->name);
-	d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
+	d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root);
 	if (!d)
 		return -ENOMEM;
 	c->dent = d;
@@ -509,7 +506,6 @@ static int clk_debugfs_register_one(struct clk *c)
 	return 0;
 
 err_out:
-	d = c->dent;
 	debugfs_remove_recursive(c->dent);
 	return err;
 }