"Michael S. Tsirkin" [off-list ref] wrote:
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.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <redacted>
When log_ctx for device is created, it is copied to the vq. This reset
was missing.
quoted hunk
---
drivers/vhost/vhost.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c767279..d4f8fdf 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -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,