diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-08-13 10:26:35 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-08-13 10:26:35 +1000 |
| commit | d350862a420a29fa85a8261d4a55f340e1a61184 (patch) | |
| tree | 6c08cbf94075e110d064576d4062c19d1e219b8c /net/9p | |
| parent | 01f2fe3ab3eb92fb861de962bce80014fc542537 (diff) | |
virtio:add_buf-return-capacity
This API change means that virtio_net can tell how much capacity
remains for buffers. It's necessarily fuzzy, since
VIRTIO_RING_F_INDIRECT_DESC means we can fit any number of descriptors
in one, *if* we can kmalloc.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dinesh Subhraveti <dineshs@us.ibm.com>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/trans_virtio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 676db1ea23b4..4aec81010ffe 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -204,7 +204,7 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) req->status = REQ_STATUS_SENT; - if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc)) { + if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc) < 0) { P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio rpc add_buf returned failure"); return -EIO; |