From 02e9519ab008c0e1db1b14582a4658bf99b214e7 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Fri, 30 Oct 2020 08:03:43 +1100
Subject: [PATCH] AP_Filesystem: fixed stat call for @SYS files

---
 libraries/AP_Filesystem/AP_Filesystem_Sys.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp b/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
index 868a9ea730..546f4bea97 100644
--- a/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
+++ b/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
@@ -226,7 +226,11 @@ int AP_Filesystem_Sys::stat(const char *pathname, struct stat *stbuf)
         stbuf->st_size = 0; // just a placeholder value
         return 0;
     }
-    int8_t pos = file_in_sysfs(&pathname[1]);
+    const char *pathname_noslash = pathname;
+    if (pathname[0] == '/') {
+        pathname_noslash = &pathname[1];
+    }
+    int8_t pos = file_in_sysfs(pathname_noslash);
     if (pos < 0) {
         errno = ENOENT;
         return -1;