[dfs] Fix dfs_file_ioctl return check on fcntl.

c779104e · armink_ztl · 60435316 · c779104e
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components/dfs/src/dfs_posix.c components/dfs/src/dfs_posix.c +1 -1

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--- a/components/dfs/src/dfs_posix.c
+++ b/components/dfs/src/dfs_posix.c
@@ -449,7 +449,7 @@ int fcntl(int fildes, int cmd, ...)
    }
    else ret = -EBADF;

-    if (ret != 0)
+    if (ret < 0)
    {
        rt_set_errno(ret);
        ret = -1;