vhost: actually track log eventfd file
authorMarc-André Lureau <marcandre.lureau@redhat.com>
Fri, 17 Jul 2015 13:32:03 +0000 (15:32 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Mon, 27 Jul 2015 15:04:58 +0000 (18:04 +0300)
While reviewing vhost log code, I found out that log_file is never
set. Note: I haven't tested the change (QEMU doesn't use LOG_FD yet).

Cc: stable@vger.kernel.org
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vhost/vhost.c

index a9fe859f43c874b39d6a2e7f8bb884abe1b16736..95bdb90fd7f06a13a99e2d37a2c97aabc4545c05 100644 (file)
@@ -995,6 +995,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp)
                }
                if (eventfp != d->log_file) {
                        filep = d->log_file;
+                       d->log_file = eventfp;
                        ctx = d->log_ctx;
                        d->log_ctx = eventfp ?
                                eventfd_ctx_fileget(eventfp) : NULL;