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[Qemu-devel] [PATCH 13/39] ivshmem: initialize max_peer to -1


From: Marc-André Lureau
Subject: [Qemu-devel] [PATCH 13/39] ivshmem: initialize max_peer to -1
Date: Fri, 26 Jun 2015 16:49:19 +0200

There is no peer when device is initialized, do not accept doorbell for
peer 0.

Signed-off-by: Marc-André Lureau <address@hidden>
---
 hw/misc/ivshmem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 9776e4e..2c78dee 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 {
-- 
2.4.3




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