[gnome-keyring/gnome-3-28] ssh-agent: Don't treat packet write error as fatal

[Daiki Ueno <dueno src gnome org>]

commit 02ba40403973a581d0f0fde0a7a4a62945a1efdf
Author: Daiki Ueno <dueno src gnome org>
Date:   Mon May 7 09:17:45 2018 +0200

    ssh-agent: Don't treat packet write error as fatal

 daemon/ssh-agent/gkd-ssh-agent-util.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/daemon/ssh-agent/gkd-ssh-agent-util.c b/daemon/ssh-agent/gkd-ssh-agent-util.c
index 07bae1f..22c64b5 100644
--- a/daemon/ssh-agent/gkd-ssh-agent-util.c
+++ b/daemon/ssh-agent/gkd-ssh-agent-util.c
@@ -76,8 +76,11 @@ _gkd_ssh_agent_write_packet (GSocketConnection *connection,
        gsize bytes_written;
 
        stream = g_io_stream_get_output_stream (G_IO_STREAM (connection));
-       if (!egg_buffer_set_uint32 (buffer, 0, buffer->len - 4))
-               g_return_val_if_reached (FALSE);
+       if (!egg_buffer_set_uint32 (buffer, 0, buffer->len - 4)) {
+               g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                            "cannot read packet length");
+               return FALSE;
+       }
        return g_output_stream_write_all (stream, buffer->buf, buffer->len, &bytes_written, cancellable, 
error);
 }