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vhost: Fix address calculation in vhost_dev_sync_region() 

We still need advance address even we find there's no dirty pages in
current chunk.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2010-11-27 22:05:07 +08:00 committed by Michael S. Tsirkin
parent 3d002df33e
commit 0c600ce2a7
1 changed files with 1 additions and 0 deletions
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hw/vhost.c
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@ -37,6 +37,7 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
/* We first check with non-atomic: much cheaper, /* We first check with non-atomic: much cheaper,
* and we expect non-dirty to be the common case. */ * and we expect non-dirty to be the common case. */
if (!*from) { if (!*from) {
addr += VHOST_LOG_CHUNK;
continue; continue;
} }
/* Data must be read atomically. We don't really /* Data must be read atomically. We don't really