sparc64: Replace deprecated strcpy() with strscpy() in build_path_component()

strcpy() is deprecated; use strscpy() instead.

No functional changes intended.

Link: KSPP#88
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>

Author: toblux

arch/sparc/kernel/prom_64.c

@@ -361,14 +361,16 @@ char * __init build_path_component(struct device_node *dp)
 {
 	const char *name = of_get_property(dp, "name", NULL);
 	char tmp_buf[64], *n;
+	size_t n_sz;
 
 	tmp_buf[0] = '\0';
 	__build_path_component(dp, tmp_buf);
 	if (tmp_buf[0] == '\0')
-		strcpy(tmp_buf, name);
+		strscpy(tmp_buf, name);
 
-	n = prom_early_alloc(strlen(tmp_buf) + 1);
-	strcpy(n, tmp_buf);
+	n_sz = strlen(tmp_buf) + 1;
+	n = prom_early_alloc(n_sz);
+	strscpy(n, tmp_buf, n_sz);
 
 	return n;
 }