diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2012-08-22 23:09:47 +0200 |
---|---|---|
committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2012-08-28 01:50:02 -0500 |
commit | 63f7166a80a204e8d6d1732315b5c924d46f31d3 (patch) | |
tree | ae8a740091921cc90c90e073c446a8e78e382ee0 | |
parent | 1d34dff02fad135a64266e670f01ac3c6a408fa1 (diff) |
ivshmem: fix memory_region_del_eventfd assertion failure
We do not register ioeventfds unless the IVSHMEM_IOEVENTFD feature
is set. The same feature must be checked before releasing the eventfds.
Regression introduced by commit 563027c (ivshmem: use EventNotifier and
memory API, 2012-07-05).
Reported-by: Cam Macdonnell <cam@cs.ualberta.ca>
Tested-by: Cam Macdonnell <cam@cs.ualberta.ca>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
(cherry picked from commit 98609cd8fcf755c0ba7049d751353b8b2e243b65)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r-- | hw/ivshmem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ivshmem.c b/hw/ivshmem.c index d48e5f9906..36005618bc 100644 --- a/hw/ivshmem.c +++ b/hw/ivshmem.c @@ -351,6 +351,10 @@ static void close_guest_eventfds(IVShmemState *s, int posn) { int i, guest_curr_max; + if (!ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) { + return; + } + guest_curr_max = s->peers[posn].nb_eventfds; for (i = 0; i < guest_curr_max; i++) { |