kernel: immediately fail open() request instead of truncating the path

less error prone

1 files changed, 3 insertions, 1 deletions

diff --git a/src/kernel/vfs/request.c b/src/kernel/vfs/request.c
index 50fcc22..4e8a162 100644
--- a/src/kernel/vfs/request.c
+++ b/src/kernel/vfs/request.c
@@ -155,7 +155,9 @@ vfsback_useraccept(VfsReq *req)
 			len = req->kinlen;
 			pcpy_to(handler, buf, req->kin, len+1); /* +1 for NUL */
 		} else {
-			panic_unimplemented(); // TODO! fail
+			// XXX this is an easy way to tell user fses apart from kernel fses
+			vfsreq_finish_short(req, -ENOENT);
+			return;
 		}
 	} else if (req->uin) {
 		void __user *buf = handler->awaited_req.buf;