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authorMichael S. Tsirkin <mst@redhat.com>2010-09-22 06:31:53 -0400
committerMichael S. Tsirkin <mst@redhat.com>2010-09-22 10:21:33 -0400
commit5786aee8bf6d747ea59595601a19e78ad33d6929 (patch)
tree63d45f00716dea2ab0813361f7af79f15ce24142 /drivers/vhost
parentee05d6939ed17b55e9c2466af32c208e0d547eb8 (diff)
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 c579dcc9200..dd3d6f7406f 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,
858 if (r < 0) 858 if (r < 0)
859 return r; 859 return r;
860 len -= l; 860 len -= l;
861 if (!len) 861 if (!len) {
862 if (vq->log_ctx)
863 eventfd_signal(vq->log_ctx, 1);
862 return 0; 864 return 0;
865 }
863 } 866 }
864 if (vq->log_ctx)
865 eventfd_signal(vq->log_ctx, 1);
866 /* Length written exceeds what we have stored. This is a bug. */ 867 /* Length written exceeds what we have stored. This is a bug. */
867 BUG(); 868 BUG();
868 return 0; 869 return 0;