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-rw-r--r--hw/scsi/scsi-generic.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 19bd36cd54..8f195bec00 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -174,6 +174,9 @@ static int execute_command(BlockDriverState *bdrv,
r->io_header.flags |= SG_FLAG_DIRECT_IO;
r->req.aiocb = bdrv_aio_ioctl(bdrv, SG_IO, &r->io_header, complete, r);
+ if (r->req.aiocb == NULL) {
+ return -EIO;
+ }
return 0;
}