[DFS] Fix `fd_new` failed return value.

2017-10-22 22:14:55 +08:00 · 2017-10-22 22:14:55 +08:00 · b4168cc60d
parent b4831fbde4
commit b4168cc60d
1 changed files with 1 additions and 1 deletions
--- a/components/dfs/src/dfs.c
+++ b/components/dfs/src/dfs.c
@ -128,7 +128,7 @@ int fd_new(void)
    /* can't find an empty fd entry */
    if (idx == DFS_FD_MAX)
    {
-        idx = -1;
+        idx = -(1 + DFS_FD_OFFSET);
        goto __result;
    }