diff options
| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2015-06-25 13:49:09 +0200 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2015-10-24 18:02:48 +0200 |
| commit | 95e7c8a0f690f9a0c8b70fd1a4de60bd944371b8 (patch) | |
| tree | 537a4b4c8f4d31d6fad96fdd244ab9dd815abf63 /hw/misc | |
| parent | d8a5da075a919f7b42f2182cc55f5d3e7e60b264 (diff) | |
ivshmem: initialize max_peer to -1
There is no peer when device is initialized, do not let doorbell for
inexisting peer 0.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/ivshmem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c index 374ecffd48..0716deb10d 100644 --- a/hw/misc/ivshmem.c +++ b/hw/misc/ivshmem.c @@ -532,8 +532,6 @@ static void ivshmem_read(void *opaque, const uint8_t *buf, int size) if (incoming_posn == -1) { void * map_ptr; - s->max_peer = 0; - if (check_shm_size(s, incoming_fd, &err) == -1) { error_report_err(err); close(incoming_fd); @@ -723,6 +721,8 @@ static void pci_ivshmem_realize(PCIDevice *dev, Error **errp) PCI_BASE_ADDRESS_MEM_PREFETCH; Error *local_err = NULL; + s->max_peer = -1; + if (s->sizearg == NULL) { s->ivshmem_size = 4 << 20; /* 4 MB default */ } else { |