ChangeLog
From QEMU

version 0.12.3:

- kvm: Fix eflags corruption in kvm mode (Jan Kiszka)
- qcow2: Fix access after end of array (Kevin Wolf)
- ide save/restore pio/atapi cmd transfer fields and io buffer (Marcelo Tosatti)
- net: Monitor command set_link finds only VLAN clients, fix (Markus Armbruster)
- net: info network shows only VLAN clients, fix (Markus Armbruster)
- net: net_check_clients() checks only VLAN clients, fix (Markus Armbruster)
- net: Fix bogus "Warning: vlan 0 with no nics" with -device (Markus Armbruster)
- net: net_check_clients() runs too early to see -device, fix (Markus Armbruster)
- net: Remove unused net_client_uninit() (Markus Armbruster)
- don´t dereference NULL after failed strdup (Jim Meyering)
- virtio-net: fix network stall under load (Tom Lendacky)
- json: fix PRId64 on Win32 (Roy Tam)
- fix inet_parse typo (Marcelo Tosatti)
- iothread: fix vcpu stop with smp tcg (Marcelo Tosatti)
- segfault due to buffer overrun in usb-serial (David S. Ahern)
- qcow2: Fix signedness bugs (Kevin Wolf)
- Do not ignore error, if open file failed (-serial /dev/tty) (Evgeniy Dushistov)
- pc-bios: update to newer version of (stable) seabios (Anthony Liguori)
- target-mips: fix ROTR and DROTR by zero (Aurelien Jarno)
- target-mips: fix CpU exception for coprocessor 0 (Nathan Froyd)
- tcg/mips: fix crash in tcg_out_qemu_ld() (Aurelien Jarno)
- target-mips: don´t call cpu_loop_exit() from helper.c (Aurelien Jarno)
- virtio-blk: Fix error cases which ignored rerror/werror (Kevin Wolf)
- virtio-blk: Fix restart after read error (Kevin Wolf)
- virtio_blk: Factor virtio_blk_handle_request out (Kevin Wolf)
- cirrus: Properly re-register cirrus_linear_io_addr on vram unmap (Jan Kiszka)
- qcow2: Don´t ignore qcow2_alloc_clusters return value (Kevin Wolf)
- qcow2: Don´t ignore update_refcount return value (Kevin Wolf)
- qcow2: Allow updating no refcounts (Kevin Wolf)
- qcow2: Improve error handling in update_refcount (Kevin Wolf)
- qcow2: Fix error handling in grow_refcount_table (Kevin Wolf)
- block: Return original error codes in bdrv_pread/write (Kevin Wolf)
- qcow2: Return 0/-errno in qcow2_alloc_cluster_offset (Kevin Wolf)
- qcow2: Return 0/-errno in get_cluster_table (Kevin Wolf)
- qcow2: Fix error handling in qcow_save_vmstate (Kevin Wolf)
- qcow2: Fix error handling in qcow2_grow_l1_table (Kevin Wolf)
- win32/sdl: Fix toggle full screen (Herve Poussineau)
- win32: pair qemu_memalign() with qemu_vfree() (Herve Poussineau)
- vnc_refresh: calling vnc_update_client might free vs (Stefano Stabellini)
- Musicpal: Fix descriptor walk in eth_send (Jan Kiszka)
- Musicpal: Fix wm8750 I2C address (Jan Kiszka)
- fix savevm command without id or tag (Marcelo Tosatti)
- reduce number of reinjects on ACK (Gleb Natapov)
- QMP: Fix asynchronous events delivery (Luiz Capitulino)
- Documentation: Add missing documentation for qdev related command line options (Stefan Weil)
- pc: add driver version compat properties (Gerd Hoffmann)
- scsi: device version property (Gerd Hoffmann)
- ide: device version property (Gerd Hoffmann)
- QMP: Emit asynchronous events on all QMP monitors (Adam Litke)
- Fix QEMU_WARN_UNUSED_RESULT (Kevin Wolf)