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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-10 14:50:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-10 14:50:58 -0700 |
| commit | 5f129721713e099a04c6024015f97faa58562ab1 (patch) | |
| tree | c5a498f217da044eb5ce870bedc95c4bf82cf185 /drivers/virtio/virtio_balloon.c | |
| parent | Merge tag 'vfio-v3.11' of git://github.com/awilliam/linux-vfio (diff) | |
| parent | MAINTAINERS: add tools/virtio/ under virtio (diff) | |
| download | wireguard-linux-5f129721713e099a04c6024015f97faa58562ab1.tar.xz wireguard-linux-5f129721713e099a04c6024015f97faa58562ab1.zip | |
Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio updates from Rusty Russell:
"No real surprises"
* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
MAINTAINERS: add tools/virtio/ under virtio
tools/virtio: move module license stub to module.h
virtio: include asm/barrier explicitly
virtio: VIRTIO_F_ANY_LAYOUT feature
lguest: fix example launcher compilation for broken glibc headers.
virtio-net: fix the race between channels setting and refill
tools/lguest: real barriers.
tools/lguest: fix missing rmb().
virtio_balloon: leak_balloon(): only tell host if we got pages deflated
virtio-pci: fix leaks of msix_affinity_masks
Fix comment typo "CONFIG_PAE"
Diffstat (limited to 'drivers/virtio/virtio_balloon.c')
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 0098810df69d..1f572c00a1be 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -192,7 +192,8 @@ static void leak_balloon(struct virtio_balloon *vb, size_t num) * virtio_has_feature(vdev, VIRTIO_BALLOON_F_MUST_TELL_HOST); * is true, we *have* to do it in this order */ - tell_host(vb, vb->deflate_vq); + if (vb->num_pfns != 0) + tell_host(vb, vb->deflate_vq); mutex_unlock(&vb->balloon_lock); release_pages_by_pfn(vb->pfns, vb->num_pfns); } |