diff options
| author | Michael S. Tsirkin | 2011-05-05 15:39:47 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2011-05-05 15:39:47 +0200 |
| commit | 5300f1a5487f67f0bde8ee1081b799108668cb1d (patch) | |
| tree | 5274ff496f2665487736a4eec23bf76601e4da44 /hw/virtio-blk.c | |
| parent | CPUPhysMemoryClient: Pass guest physical address not region offset (diff) | |
| parent | NBD: Avoid leaking a couple of strings when the NBD device is closed (diff) | |
| download | qemu-5300f1a5487f67f0bde8ee1081b799108668cb1d.tar.gz qemu-5300f1a5487f67f0bde8ee1081b799108668cb1d.tar.xz qemu-5300f1a5487f67f0bde8ee1081b799108668cb1d.zip | |
Merge remote branch 'origin/master' into pci
Conflicts:
exec.c
Diffstat (limited to 'hw/virtio-blk.c')
| -rw-r--r-- | hw/virtio-blk.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index b14fb995e8..91e0394af9 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -290,6 +290,10 @@ static void virtio_blk_handle_write(VirtIOBlockReq *req, MultiReqBuffer *mrb) virtio_blk_rw_complete(req, -EIO); return; } + if (req->qiov.size % req->dev->conf->logical_block_size) { + virtio_blk_rw_complete(req, -EIO); + return; + } if (mrb->num_writes == 32) { virtio_submit_multiwrite(req->dev->bs, mrb); @@ -317,6 +321,10 @@ static void virtio_blk_handle_read(VirtIOBlockReq *req) virtio_blk_rw_complete(req, -EIO); return; } + if (req->qiov.size % req->dev->conf->logical_block_size) { + virtio_blk_rw_complete(req, -EIO); + return; + } acb = bdrv_aio_readv(req->dev->bs, sector, &req->qiov, req->qiov.size / BDRV_SECTOR_SIZE, |