diff options
| -rw-r--r-- | block.c | 7 | ||||
| -rwxr-xr-x | tests/qemu-iotests/051 | 7 | ||||
| -rw-r--r-- | tests/qemu-iotests/051.out | 10 |
3 files changed, 24 insertions, 0 deletions
@@ -718,6 +718,13 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file, assert(drv->bdrv_parse_filename || filename != NULL); ret = drv->bdrv_file_open(bs, filename, options, open_flags); } else { + if (file == NULL) { + qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't use '%s' as a " + "block driver for the protocol level", + drv->format_name); + ret = -EINVAL; + goto free_and_fail; + } assert(file != NULL); bs->file = file; ret = drv->bdrv_open(bs, options, open_flags); diff --git a/tests/qemu-iotests/051 b/tests/qemu-iotests/051 index 8b51de3f31..8039e23ab3 100755 --- a/tests/qemu-iotests/051 +++ b/tests/qemu-iotests/051 @@ -142,6 +142,13 @@ run_qemu -drive media=cdrom,cache=writethrough run_qemu -drive media=cdrom,cache=unsafe run_qemu -drive media=cdrom,cache=invalid_value +echo +echo === Specifying the protocol layer === +echo + +run_qemu -drive file=$TEST_IMG,file.driver=file +run_qemu -drive file=$TEST_IMG,file.driver=qcow2 + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out index 48456d5b07..3d1ac7b7da 100644 --- a/tests/qemu-iotests/051.out +++ b/tests/qemu-iotests/051.out @@ -159,4 +159,14 @@ q[K[Dqu[K[D[Dqui[K[D[D[Dquit[K Testing: -drive media=cdrom,cache=invalid_value QEMU_PROG: -drive media=cdrom,cache=invalid_value: invalid cache option + +=== Specifying the protocol layer === + +Testing: -drive file=TEST_DIR/t.qcow2,file.driver=file +q[K[Dqu[K[D[Dqui[K[D[D[Dquit[K
+ +Testing: -drive file=TEST_DIR/t.qcow2,file.driver=qcow2 +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,file.driver=qcow2: Can't use 'qcow2' as a block driver for the protocol level +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,file.driver=qcow2: could not open disk image TEST_DIR/t.qcow2: Invalid argument + *** done |