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authorMichael S. Tsirkin <mst@redhat.com>2010-09-22 12:31:53 +0200
committerMichael S. Tsirkin <mst@redhat.com>2010-09-22 16:21:33 +0200
commit5786aee8bf6d747ea59595601a19e78ad33d6929 (patch)
tree63d45f00716dea2ab0813361f7af79f15ce24142 /drivers/vhost
parentee05d6939ed17b55e9c2466af32c208e0d547eb8 (diff)
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vhost: fix log ctx signalling
The log eventfd signalling got put in dead code. We didn't notice because qemu currently does polling instead of eventfd select. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/vhost.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c579dcc..dd3d6f7 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -858,11 +858,12 @@ int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,
if (r < 0)
return r;
len -= l;
- if (!len)
+ if (!len) {
+ if (vq->log_ctx)
+ eventfd_signal(vq->log_ctx, 1);
return 0;
+ }
}
- if (vq->log_ctx)
- eventfd_signal(vq->log_ctx, 1);
/* Length written exceeds what we have stored. This is a bug. */
BUG();
return 0;