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authorClaudio Imbrenda <imbrenda@linux.vnet.ibm.com>2018-06-20 16:51:51 +0300
committerDavid S. Miller <davem@davemloft.net>2018-06-22 03:34:08 +0300
commite5ab564c9ebee77794842ca7d7476147b83d6a27 (patch)
treed8980a6e8d576cc6a84807fb1925017ba1235fc4
parent40141bb480a2c7805e8f4faec14ade90121ecb06 (diff)
downloadlinux-e5ab564c9ebee77794842ca7d7476147b83d6a27.tar.xz
VSOCK: fix loopback on big-endian systems
The dst_cid and src_cid are 64 bits, therefore 64 bit accessors should be used, and in fact in virtio_transport_common.c only 64 bit accessors are used. Using 32 bit accessors for 64 bit values breaks big endian systems. This patch fixes a wrong use of le32_to_cpu in virtio_transport_send_pkt. Fixes: b9116823189e85ccf384 ("VSOCK: add loopback to virtio_transport") Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/vmw_vsock/virtio_transport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 8e03bd3f3668..5d3cce9e8744 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -201,7 +201,7 @@ virtio_transport_send_pkt(struct virtio_vsock_pkt *pkt)
return -ENODEV;
}
- if (le32_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
+ if (le64_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
return virtio_transport_send_pkt_loopback(vsock, pkt);
if (pkt->reply)