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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-21 07:37:16 +1300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-21 07:37:16 +1300 |
| commit | bb617b9b4519b0cef939c9c8e9c41470749f0d51 (patch) | |
| tree | 56616b232bde3d7f9469d2f7ef685a4a6c0b4cb9 /drivers/vhost/vhost.c | |
| parent | 1be969f4682b0aa1995e46fba51502de55f15ce8 (diff) | |
| parent | 8e5dadfe76cf2862ebf3e4f22adef29982df7766 (diff) | |
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio/vhost fixes and cleanups from Michael Tsirkin:
"Fixes and cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost/scsi: Use copy_to_iter() to send control queue response
vhost: return EINVAL if iovecs size does not match the message size
virtio-balloon: tweak config_changed implementation
virtio: don't allocate vqs when names[i] = NULL
virtio_pci: use queue idx instead of array idx to set up the vq
virtio: document virtio_config_ops restrictions
virtio: fix virtio_config_ops description
Diffstat (limited to 'drivers/vhost/vhost.c')
| -rw-r--r-- | drivers/vhost/vhost.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9f7942cbcbb2..bac939af8dbb 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1034,8 +1034,10 @@ ssize_t vhost_chr_write_iter(struct vhost_dev *dev, int type, ret; ret = copy_from_iter(&type, sizeof(type), from); - if (ret != sizeof(type)) + if (ret != sizeof(type)) { + ret = -EINVAL; goto done; + } switch (type) { case VHOST_IOTLB_MSG: @@ -1054,8 +1056,10 @@ ssize_t vhost_chr_write_iter(struct vhost_dev *dev, iov_iter_advance(from, offset); ret = copy_from_iter(&msg, sizeof(msg), from); - if (ret != sizeof(msg)) + if (ret != sizeof(msg)) { + ret = -EINVAL; goto done; + } if (vhost_process_iotlb_msg(dev, &msg)) { ret = -EFAULT; goto done; |