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vhost: initialize log eventfd context pointer

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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>
This commit is contained in:
Michael S. Tsirkin 2010-02-23 11:23:45 +02:00
parent 86e9424d72
commit 73a99f0830
1 changed files with 1 additions and 0 deletions
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drivers/vhost/vhost.c
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@ -121,6 +121,7 @@ static void vhost_vq_reset(struct vhost_dev *dev,
vq->kick = NULL; vq->kick = NULL;
vq->call_ctx = NULL; vq->call_ctx = NULL;
vq->call = NULL; vq->call = NULL;
vq->log_ctx = NULL;
} }
long vhost_dev_init(struct vhost_dev *dev, long vhost_dev_init(struct vhost_dev *dev,