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-rw-r--r--hw/misc/ivshmem.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index d3d02048cd..9023f95711 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -533,6 +533,12 @@ static void ivshmem_read(void *opaque, const uint8_t *buf, int size)
if (incoming_posn == -1) {
void * map_ptr;
+ if (s->shm_fd >= 0) {
+ error_report("shm already initialized");
+ close(incoming_fd);
+ return;
+ }
+
if (check_shm_size(s, incoming_fd, &err) == -1) {
error_report_err(err);
close(incoming_fd);