Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* xsetbv fix (x86 targets TCG)
* remove unused functions
* qht segfault and memory leak fixes
* NBD fixes
* Fix for non-power-of-2 discard granularity
* Memory hotplug fixes
* Migration regressions
* IOAPIC fixes and (disabled by default) EOI register support
* Various other small fixes

# gpg: Signature made Wed 03 Aug 2016 18:01:05 BST
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (25 commits)
  util: Fix assertion in iov_copy() upon zero 'bytes' and non-zero 'offset'
  qdev: Fix use after free in qdev_init_nofail error path
  Reorganize help output of '-display' option
  x86: ioapic: add support for explicit EOI
  x86: ioapic: ignore level irq during processing
  apic: fix broken migration for kvm-apic
  fw_cfg: Make base type "fw_cfg" abstract
  block: Cater to iscsi with non-power-of-2 discard
  osdep: Document differences in rounding macros
  nbd: Limit nbdflags to 16 bits
  nbd: Fix bad flag detection on server
  i2c: fix migration regression introduced by broadcast support
  mptsas: really fix migration compatibility
  qdist: return "(empty)" instead of NULL when printing an empty dist
  qdist: use g_renew and g_new instead of g_realloc and g_malloc.
  qdist: fix memory leak during binning
  target-i386: fix typo in xsetbv implementation
  qht: do not segfault when gathering stats from an uninitialized qht
  util: Drop inet_listen()
  util: drop unix_nonblocking_connect()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/hw/i2c/core.c b/hw/i2c/core.c
index abb3efb1db..4afbe0bde5 100644
--- a/hw/i2c/core.c
+++ b/hw/i2c/core.c
@@ -17,6 +17,8 @@ struct I2CNode {
     QLIST_ENTRY(I2CNode) next;
 };
 
+#define I2C_BROADCAST 0x00
+
 struct I2CBus
 {
     BusState qbus;
@@ -47,6 +49,8 @@ static void i2c_bus_pre_save(void *opaque)
     if (!QLIST_EMPTY(&bus->current_devs)) {
         if (!bus->broadcast) {
             bus->saved_address = QLIST_FIRST(&bus->current_devs)->elt->address;
+        } else {
+            bus->saved_address = I2C_BROADCAST;
         }
     }
 }
@@ -58,7 +62,6 @@ static const VMStateDescription vmstate_i2c_bus = {
     .pre_save = i2c_bus_pre_save,
     .fields = (VMStateField[]) {
         VMSTATE_UINT8(saved_address, I2CBus),
-        VMSTATE_BOOL(broadcast, I2CBus),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -93,7 +96,7 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
     I2CSlaveClass *sc;
     I2CNode *node;
 
-    if (address == 0x00) {
+    if (address == I2C_BROADCAST) {
         /*
          * This is a broadcast, the current_devs will be all the devices of the
          * bus.
@@ -221,7 +224,8 @@ static int i2c_slave_post_load(void *opaque, int version_id)
     I2CNode *node;
 
     bus = I2C_BUS(qdev_get_parent_bus(DEVICE(dev)));
-    if ((bus->saved_address == dev->address) || (bus->broadcast)) {
+    if ((bus->saved_address == dev->address) ||
+        (bus->saved_address == I2C_BROADCAST)) {
         node = g_malloc(sizeof(struct I2CNode));
         node->elt = dev;
         QLIST_INSERT_HEAD(&bus->current_devs, node, next);