From 1ae6d818f0d57f527eda37d692bbb51ceb44fe06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Pierre=20Andr=C3=A9?= <jean-pierre.andre@wanadoo.fr>
Date: Wed, 23 Jan 2019 17:40:23 +0100
Subject: [PATCH] Returned a low level error when an ioctl fails

When an ioctl fails, the errno is not correctly propagated, and the
log was wrong.
---
 libfuse-lite/fuse.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libfuse-lite/fuse.c b/libfuse-lite/fuse.c
index 52ff8d4d..256bed0f 100644
--- a/libfuse-lite/fuse.c
+++ b/libfuse-lite/fuse.c
@@ -2781,8 +2781,10 @@ static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg,
     fuse_finish_interrupt(f, req, &d);
     free(path);
 
-    fuse_reply_ioctl(req, err, out_buf, out_bufsz);
+    if (err >= 0) { /* not an error */
+        fuse_reply_ioctl(req, err, out_buf, out_bufsz);
 	goto out;
+    }
 err:
     reply_err(req, err);
 out: