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authorJakub Kicinski <kuba@kernel.org>2023-06-15 22:18:58 -0700
committerJakub Kicinski <kuba@kernel.org>2023-06-15 22:19:41 -0700
commit173780ff18a93298ca84224cc79df69f9cc198ce (patch)
tree5584d6e60e0bfb581dbfaf922ef3e28809ad68f8 /drivers/vhost/net.c
parent97c5209b3d374a25ebdb4c2ea9e9c1b121768da0 (diff)
parent40f71e7cd3c6ac04293556ab0504a372393838ff (diff)
downloadlwn-173780ff18a93298ca84224cc79df69f9cc198ce.tar.gz
lwn-173780ff18a93298ca84224cc79df69f9cc198ce.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: include/linux/mlx5/driver.h 617f5db1a626 ("RDMA/mlx5: Fix affinity assignment") dc13180824b7 ("net/mlx5: Enable devlink port for embedded cpu VF vports") https://lore.kernel.org/all/20230613125939.595e50b8@canb.auug.org.au/ tools/testing/selftests/net/mptcp/mptcp_join.sh 47867f0a7e83 ("selftests: mptcp: join: skip check if MIB counter not supported") 425ba803124b ("selftests: mptcp: join: support RM_ADDR for used endpoints or not") 45b1a1227a7a ("mptcp: introduces more address related mibs") 0639fa230a21 ("selftests: mptcp: add explicit check for new mibs") https://lore.kernel.org/netdev/20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-0-2896fe2ee8a3@tessares.net/ No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/vhost/net.c')
-rw-r--r--drivers/vhost/net.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 07181cd8d52e..ae2273196b0c 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -935,13 +935,18 @@ static void handle_tx_zerocopy(struct vhost_net *net, struct socket *sock)
err = sock->ops->sendmsg(sock, &msg, len);
if (unlikely(err < 0)) {
+ bool retry = err == -EAGAIN || err == -ENOMEM || err == -ENOBUFS;
+
if (zcopy_used) {
if (vq->heads[ubuf->desc].len == VHOST_DMA_IN_PROGRESS)
vhost_net_ubuf_put(ubufs);
- nvq->upend_idx = ((unsigned)nvq->upend_idx - 1)
- % UIO_MAXIOV;
+ if (retry)
+ nvq->upend_idx = ((unsigned)nvq->upend_idx - 1)
+ % UIO_MAXIOV;
+ else
+ vq->heads[ubuf->desc].len = VHOST_DMA_DONE_LEN;
}
- if (err == -EAGAIN || err == -ENOMEM || err == -ENOBUFS) {
+ if (retry) {
vhost_discard_vq_desc(vq, 1);
vhost_net_enable_vq(net, vq);
break;