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-rw-r--r--hw/misc/ivshmem.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 6367d041f0..2f0819d977 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -491,9 +491,9 @@ static void setup_interrupt(IVShmemState *s, int vector, Error **errp)
static void process_msg_shmem(IVShmemState *s, int fd, Error **errp)
{
+ Error *local_err = NULL;
struct stat buf;
size_t size;
- void *ptr;
if (s->ivshmem_bar2) {
error_setg(errp, "server sent unexpected shared memory message");
@@ -522,15 +522,13 @@ static void process_msg_shmem(IVShmemState *s, int fd, Error **errp)
}
/* mmap the region and map into the BAR2 */
- ptr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (ptr == MAP_FAILED) {
- error_setg_errno(errp, errno, "Failed to mmap shared memory");
- close(fd);
+ memory_region_init_ram_from_fd(&s->server_bar2, OBJECT(s),
+ "ivshmem.bar2", size, true, fd, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
return;
}
- memory_region_init_ram_ptr(&s->server_bar2, OBJECT(s),
- "ivshmem.bar2", size, ptr);
- memory_region_set_fd(&s->server_bar2, fd);
+
s->ivshmem_bar2 = &s->server_bar2;
}