This fixes the bug introduced by this commit ad54ae80c73f.
The bdrv_aio_ioctl() still could return null and we should return an error
in that case.
Signed-off-by: Pavel Hrdina <phrd...@redhat.com>
---
hw/scsi/scsi-generic.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 2a9a561..8a4dae2 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -174,6 +174,10 @@ 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) {
+ BADF("execute_command: read failed !\n");
+ return -EIO;
+ }
return 0;
}
--
1.8.1.4
