@@ -494,9 +494,9 @@ static void setup_interrupt(IVShmemState *s, int vector, Error **errp)
static void process_msg_shmem(IVShmemState *s, int fd, Error **errp)
{
+ Error *err = NULL;
struct stat buf;
size_t size;
- void *ptr;
if (s->ivshmem_bar2) {
error_setg(errp, "server sent unexpected shared memory message");
@@ -525,15 +525,12 @@ 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, &err);
+ if (err) {
+ error_propagate(errp, err);
return;
}
- memory_region_init_ram_ptr(&s->server_bar2, OBJECT(s),
- "ivshmem.bar2", size, ptr);
- qemu_set_ram_fd(memory_region_get_ram_addr(&s->server_bar2), fd);
s->ivshmem_bar2 = &s->server_bar2;
}