qemu-kvm/SOURCES/kvm-virtiofsd-cleanup-allocated-resource-in-se.patch

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From 99ff67682ef7c5659bdc9836008541861ae313d5 Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 27 Jan 2020 19:01:56 +0100
Subject: [PATCH 085/116] virtiofsd: cleanup allocated resource in se
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200127190227.40942-82-dgilbert@redhat.com>
Patchwork-id: 93533
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 081/112] virtiofsd: cleanup allocated resource in se
Bugzilla: 1694164
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
From: Liu Bo <bo.liu@linux.alibaba.com>
This cleans up unfreed resources in se on quiting, including
se->virtio_dev, se->vu_socket_path, se->vu_socketfd.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 61cfc44982e566c33b9d5df17858e4d5ae373873)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tools/virtiofsd/fuse_lowlevel.c | 7 +++++++
tools/virtiofsd/fuse_virtio.c | 7 +++++++
tools/virtiofsd/fuse_virtio.h | 2 +-
3 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 65f91da..440508a 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -2532,6 +2532,13 @@ void fuse_session_destroy(struct fuse_session *se)
if (se->fd != -1) {
close(se->fd);
}
+
+ if (se->vu_socket_path) {
+ virtio_session_close(se);
+ free(se->vu_socket_path);
+ se->vu_socket_path = NULL;
+ }
+
free(se);
}
diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c
index 7a8774a..e7bd772 100644
--- a/tools/virtiofsd/fuse_virtio.c
+++ b/tools/virtiofsd/fuse_virtio.c
@@ -833,3 +833,10 @@ int virtio_session_mount(struct fuse_session *se)
return 0;
}
+
+void virtio_session_close(struct fuse_session *se)
+{
+ close(se->vu_socketfd);
+ free(se->virtio_dev);
+ se->virtio_dev = NULL;
+}
diff --git a/tools/virtiofsd/fuse_virtio.h b/tools/virtiofsd/fuse_virtio.h
index cc676b9..1116840 100644
--- a/tools/virtiofsd/fuse_virtio.h
+++ b/tools/virtiofsd/fuse_virtio.h
@@ -19,7 +19,7 @@
struct fuse_session;
int virtio_session_mount(struct fuse_session *se);
-
+void virtio_session_close(struct fuse_session *se);
int virtio_loop(struct fuse_session *se);
--
1.8.3.1