From ff1e4b1bfb9baa54efd3b072ef4bca37062b9af4 Mon Sep 17 00:00:00 2001
From: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
Date: Fri, 16 Feb 2024 10:04:09 +0100
Subject: [PATCH] vfs_lxip: return error in case peek read returns EAGAIN

A read with MSG_PEEK returns -1 and EGAIN/EWOULDBLOCK in case the socket
is connected. Zero is only returned if the socket is disconnected.

isuee #5104
---
 repos/dde_linux/src/lib/vfs/lxip/vfs.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/repos/dde_linux/src/lib/vfs/lxip/vfs.cc b/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
index 43bd2b9995..443806c2df 100644
--- a/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
+++ b/repos/dde_linux/src/lib/vfs/lxip/vfs.cc
@@ -527,7 +527,7 @@ class Vfs::Lxip_peek_file final : public Vfs::Lxip_file
 			Errno err = genode_socket_recvmsg(&_sock, msg_recv.header(), &bytes_avail, true);
 
 			if (err == GENODE_EAGAIN)
-				return 0;
+				return -1;
 
 			return bytes_avail;
 		}