vhost: initialize log eventfd context pointer
authorMichael S. Tsirkin <mst@redhat.com>
Tue, 23 Feb 2010 09:23:45 +0000 (11:23 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Sun, 28 Feb 2010 17:42:35 +0000 (19:42 +0200)
vq log eventfd context pointer needs to be initialized, otherwise
operation may fail or oops if log is enabled but log eventfd not set by
userspace.  When log_ctx for device is created, it is copied to the vq.
This reset was missing.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vhost/vhost.c

index db21518f7e8d4a66a5d22cb59c4c217352df2a58..6c31c0c9bbb9fb315d76ea807073eb8526648e3a 100644 (file)
@@ -121,6 +121,7 @@ static void vhost_vq_reset(struct vhost_dev *dev,
        vq->kick = NULL;
        vq->call_ctx = NULL;
        vq->call = NULL;
+       vq->log_ctx = NULL;
 }
 
 long vhost_dev_init(struct vhost_dev *dev,