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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2014-12-15 21:39:31 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 15:53:35 -0400 |
| commit | 01e97e6517053d7c0b9af5248e944a9209909cf5 (patch) | |
| tree | 30f57eededa62a390543b3a596d81006deb22384 /drivers/vhost | |
| parent | Merge remote-tracking branch 'dh/afs' into for-davem (diff) | |
| download | linux-dev-01e97e6517053d7c0b9af5248e944a9209909cf5.tar.xz linux-dev-01e97e6517053d7c0b9af5248e944a9209909cf5.zip | |
new helper: msg_data_left()
convert open-coded instances
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/net.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 18f05bff8826..7d137a43cc86 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -357,13 +357,13 @@ static void handle_tx(struct vhost_net *net) iov_iter_init(&msg.msg_iter, WRITE, vq->iov, out, len); iov_iter_advance(&msg.msg_iter, hdr_size); /* Sanity check */ - if (!iov_iter_count(&msg.msg_iter)) { + if (!msg_data_left(&msg)) { vq_err(vq, "Unexpected header len for TX: " "%zd expected %zd\n", len, hdr_size); break; } - len = iov_iter_count(&msg.msg_iter); + len = msg_data_left(&msg); zcopy_used = zcopy && len >= VHOST_GOODCOPY_LEN && (nvq->upend_idx + 1) % UIO_MAXIOV != |