[RFC PATCH net-next v1 1/4] vsock/virtio: use skb_frag_page() helper
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STALE1025d
SUPERSEDED
From: Mina Almasry <hidden>
Date: 2023-12-14 02:05:45
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bpf, lkml
Subsystem:
networking [general], the rest, virtio and vhost vsock driver, virtio core, vm sockets (af_vsock) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Stefan Hajnoczi, Stefano Garzarella, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
Status: Superseded by v8 (posted 2024-02-14). [go to v8]
Revision v1 (8 revisions archived).
Revisions (8)
Minor fix for virtio: code wanting to access the page inside the skb should use skb_frag_page() helper, instead of accessing bv_page directly. This allows for extensions where the underlying memory is not a page. Signed-off-by: Mina Almasry <redacted> --- net/vmw_vsock/virtio_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index af5bab1acee1..bd0b413dfa3f 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c@@ -153,7 +153,7 @@ virtio_transport_send_pkt_work(struct work_struct *work) * 'virt_to_phys()' later to fill the buffer descriptor. * We don't touch memory at "virtual" address of this page. */ - va = page_to_virt(skb_frag->bv_page); + va = page_to_virt(skb_frag_page(skb_frag)); sg_init_one(sgs[out_sg], va + skb_frag->bv_offset, skb_frag->bv_len);
--
2.43.0.472.g3155946c3a-goog