spice-vdagent/backport-Better-check-for-vdagent_connection_get_peer_pid-results.patch

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From 7e924bcbf0bb6b300c6518499c05e87cea13ac51 Mon Sep 17 00:00:00 2001
From: Frediano Ziglio <freddy77@gmail.com>
Date: Mon, 21 Sep 2020 16:42:26 +0100
Subject: [PATCH] vdagentd: Better check for vdagent_connection_get_peer_pid
results
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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The function can return -1 and leave "err" to NULL in some cases,
do not check only for "err".
Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Acked-by: Julien Rop茅 <jrope@redhat.com>
---
src/vdagentd/vdagentd.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
index cd6340e..560f2ce 100644
--- a/src/vdagentd/vdagentd.c
+++ b/src/vdagentd/vdagentd.c
@@ -933,10 +933,14 @@ static void agent_connect(UdscsConnection *conn)
if (session_info) {
pid = vdagent_connection_get_peer_pid(VDAGENT_CONNECTION(conn), &err);
- if (err) {
- syslog(LOG_ERR, "Could not get peer PID, disconnecting new client: %s",
- err->message);
- g_error_free(err);
+ if (err || pid <= 0) {
+ static const char msg[] = "Could not get peer PID, disconnecting new client";
+ if (err) {
+ syslog(LOG_ERR, "%s: %s", msg, err->message);
+ g_error_free(err);
+ } else {
+ syslog(LOG_ERR, "%s", msg);
+ }
g_free(agent_data);
udscs_server_destroy_connection(server, conn);
return;
--
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