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

A large set of small patches.  I have not included yet vhost-user-scsi,
but it'll come in the next pull request.

* use GDB XML register description for x86
* use _Static_assert in QEMU_BUILD_BUG_ON
* add "R:" to MAINTAINERS and get_maintainers
* checkpatch improvements
* dump threading fixes
* first part of vhost-user-scsi support
* QemuMutex tracing
* vmw_pvscsi and megasas fixes
* sgabios module update
* use Rev3 (ACPI 2.0) FADT
* deprecate -hdachs
* improve -accel documentation
* hax fix
* qemu-char GSource bugfix

# gpg: Signature made Fri 05 May 2017 06:10:40 AM EDT
# 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

* bonzini/tags/for-upstream: (21 commits)
  vhost-scsi: create a vhost-scsi-common abstraction
  libvhost-user: replace vasprintf() to fix build
  get_maintainer: add subsystem to reviewer output
  get_maintainer: --r (list reviewer) is on by default
  get_maintainer: it's '--pattern-depth', not '-pattern-depth'
  get_maintainer: Teach get_maintainer.pl about the new "R:" tag
  MAINTAINERS: Add "R:" tag for self-appointed reviewers
  Fix the -accel parameter and the documentation for 'hax'
  dump: Acquire BQL around vm_start() in dump thread
  hax: Fix memory mapping de-duplication logic
  checkpatch: Disallow glib asserts in main code
  trace: add qemu mutex lock and unlock trace events
  vmw_pvscsi: check message ring page count at initialisation
  sgabios: update for "fix wrong video attrs for int 10h,ah==13h"
  scsi: avoid an off-by-one error in megasas_mmio_write
  vl: deprecate the "-hdachs" option
  use _Static_assert in QEMU_BUILD_BUG_ON
  target/i386: Add GDB XML register description support
  char: Fix removing wrong GSource that be found by fd_in_tag
  hw/i386: Build-time assertion on pc/q35 reset register being identical.
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 84b8caf901..804122ab05 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -2138,15 +2138,15 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
     case MFI_SEQ:
         trace_megasas_mmio_writel("MFI_SEQ", val);
         /* Magic sequence to start ADP reset */
-        if (adp_reset_seq[s->adp_reset] == val) {
-            s->adp_reset++;
+        if (adp_reset_seq[s->adp_reset++] == val) {
+            if (s->adp_reset == 6) {
+                s->adp_reset = 0;
+                s->diag = MFI_DIAG_WRITE_ENABLE;
+            }
         } else {
             s->adp_reset = 0;
             s->diag = 0;
         }
-        if (s->adp_reset == 6) {
-            s->diag = MFI_DIAG_WRITE_ENABLE;
-        }
         break;
     case MFI_DIAG:
         trace_megasas_mmio_writel("MFI_DIAG", val);