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authorAnthony Liguori <aliguori@us.ibm.com>2007-11-08 21:13:44 -0600
committerRusty Russell <rusty@rustcorp.com.au>2007-11-12 13:59:26 +1100
commit1200e646ae238afc536be70257290eb33fb6e364 (patch)
treec9efa72365b96fdc4323834b39068442f5caef89 /Documentation/lguest
parent1bc4953ed44454c7f53d0b609445d1534981ee75 (diff)
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lguest: Fix lguest virtio-blk backend size computation
This seems like an obvious typo but it's worked in the past because the virtio blk frontend just ignores the length field on completion. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'Documentation/lguest')
-rw-r--r--Documentation/lguest/lguest.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c
index f266839..157f6a2 100644
--- a/Documentation/lguest/lguest.c
+++ b/Documentation/lguest/lguest.c
@@ -1342,7 +1342,7 @@ static bool service_io(struct device *dev)
if (out->type & VIRTIO_BLK_T_SCSI_CMD) {
fprintf(stderr, "Scsi commands unsupported\n");
in->status = VIRTIO_BLK_S_UNSUPP;
- wlen = sizeof(in);
+ wlen = sizeof(*in);
} else if (out->type & VIRTIO_BLK_T_OUT) {
/* Write */
@@ -1363,7 +1363,7 @@ static bool service_io(struct device *dev)
/* Die, bad Guest, die. */
errx(1, "Write past end %llu+%u", off, ret);
}
- wlen = sizeof(in);
+ wlen = sizeof(*in);
in->status = (ret >= 0 ? VIRTIO_BLK_S_OK : VIRTIO_BLK_S_IOERR);
} else {
/* Read */
@@ -1376,10 +1376,10 @@ static bool service_io(struct device *dev)
ret = readv(vblk->fd, iov+1, in_num-1);
verbose("READ from sector %llu: %i\n", out->sector, ret);
if (ret >= 0) {
- wlen = sizeof(in) + ret;
+ wlen = sizeof(*in) + ret;
in->status = VIRTIO_BLK_S_OK;
} else {
- wlen = sizeof(in);
+ wlen = sizeof(*in);
in->status = VIRTIO_BLK_S_IOERR;
}
}