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Jason Wang feb93f3617 virtio-net: unbreak any layout 
Commit 032a74a1c0
("virtio-net: byteswap virtio-net header") breaks any layout by
requiring out_sg[0].iov_len >= n->guest_hdr_len. Fixing this by
copying header to temporary buffer if swap is needed, and then use
this buffer as part of out_sg.

Fixes 032a74a1c0
("virtio-net: byteswap virtio-net header")
Cc: qemu-stable@nongnu.org
Cc: clg@fr.ibm.com
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
 		2015-07-20 14:19:41 +03:00
..
fsl_etsec etsec: Replace qdev_init() by qdev_init_nofail() 2015-02-24 00:19:05 +01:00
rocker rocker: mark copy-to-cpu pkts as forwarding offloaded 2015-07-07 13:13:22 +01:00
Makefile.objs qmp/hmp: add rocker device support 2015-06-12 13:42:17 +01:00
allwinner_emac.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
cadence_gem.c cadence_gem: Fix Rx buffer size field mask 2015-06-03 16:03:03 +03:00
dp8393x.c net/dp8393x: fix hardware reset 2015-06-11 10:13:30 +01:00
e1000.c e1000: flush packets when link comes up 2015-07-07 13:10:26 +01:00
e1000_regs.h e1000: improve auto-negotiation reporting via mii-tool 2014-06-23 17:38:00 +03:00
eepro100.c pci: Trivial device model conversions to realize 2015-02-26 12:42:16 +01:00
etraxfs_eth.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
lan9118.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
lance.c pcnet: pcnet_common_init() always returns 0, change to void 2015-02-26 12:42:16 +01:00
mcf_fec.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
milkymist-minimac2.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
mipsnet.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
ne2000-isa.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
ne2000.c pci: Trivial device model conversions to realize 2015-02-26 12:42:16 +01:00
ne2000.h ne2000: pass device to ne2000_setup_io, use it as owner 2013-07-04 17:42:46 +02:00
opencores_eth.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
pcnet-pci.c pcnet: Convert to realize 2015-02-26 12:42:17 +01:00
pcnet.c pcnet: force the buffer access to be in bounds during tx 2015-06-10 15:03:02 +01:00
pcnet.h pcnet: pcnet_common_init() always returns 0, change to void 2015-02-26 12:42:16 +01:00
rtl8139.c migration: Use normal VMStateDescriptions for Subsections 2015-06-12 06:53:57 +02:00
smc91c111.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
spapr_llan.c spapr: Merge sPAPREnvironment into sPAPRMachineState 2015-07-07 17:44:50 +02:00
stellaris_enet.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
vhost_net.c Revert "vhost-user: add multi queue support" 2015-07-20 14:19:40 +03:00
virtio-net.c virtio-net: unbreak any layout 2015-07-20 14:19:41 +03:00
vmware_utils.h exec: Make stb_phys input an AddressSpace 2014-02-11 22:57:38 +10:00
vmxnet3.c vmxnet3: Fix incorrect small packet padding 2015-07-07 13:10:26 +01:00
vmxnet3.h vmxnet3: Eliminate __packed redefined warning 2013-09-06 17:25:55 +02:00
vmxnet_debug.h hw: move target-independent files to subdirectories 2013-04-08 18:13:12 +02:00
vmxnet_rx_pkt.c vmxnet: Remove unused function vmxnet_rx_pkt_get_num_frags() 2015-04-30 16:05:48 +03:00
vmxnet_rx_pkt.h vmxnet: Remove unused function vmxnet_rx_pkt_get_num_frags() 2015-04-30 16:05:48 +03:00
vmxnet_tx_pkt.c misc: Use g_assert_not_reached for code which is expected to be unreachable 2013-07-27 11:22:54 +04:00
vmxnet_tx_pkt.h hw: move target-independent files to subdirectories 2013-04-08 18:13:12 +02:00
xen_nic.c hw/net/xen_nic.c: Set 'netdev->mac' to NULL after free it 2015-01-12 10:16:23 +00:00
xgmac.c net: remove all cleanup methods from NIC NetClientInfos 2015-01-12 10:16:23 +00:00
xilinx_axienet.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
xilinx_ethlite.c xilinx_ethlite: Clean up after commit 2f991ad 2015-03-10 08:15:33 +03:00