openwrt-packages-dist/utils/smartmontools/patches/001-musl-compat-realpath.patch

commit 2473c5e01ea14fae96c157d8bce3a3ec1da124f3
Author: Maxim Storchak <m.storchak@gmail.com>
Date:   Sat Dec 9 15:21:51 2017 +0200

    Replace canonicalize_file_name with realpath equivalent

diff --git a/os_linux.cpp b/os_linux.cpp
index 134d5bc..0575a13 100644
--- a/os_linux.cpp
+++ b/os_linux.cpp
@@ -3176,7 +3176,7 @@ static bool is_hpsa(const char * name)
 {
   char path[128];
   snprintf(path, sizeof(path), "/sys/block/%s/device", name);
-  char * syshostpath = canonicalize_file_name(path);
+  char * syshostpath = realpath(path, NULL);
   if (!syshostpath)
     return false;