The information which BB is concerned does not seem useful enough to justify its existence in most other place (which may be related to qemu printing the -drive parameter in question anyway, and for blockdev-add the attribution is naturally unambiguous). Furthermore, as of a future patch, bdrv_get_device_name(bs) will always return the empty string before bdrv_open_inherit() returns.
Therefore, just dropping that information seems to be the best course of action. Signed-off-by: Max Reitz <mre...@redhat.com> --- block.c | 6 +++--- tests/qemu-iotests/051.out | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/block.c b/block.c index c5ea5e7..395b7b0 100644 --- a/block.c +++ b/block.c @@ -1539,9 +1539,9 @@ static int bdrv_open_inherit(BlockDriverState **pbs, const char *filename, error_setg(errp, "Block protocol '%s' doesn't support the option " "'%s'", drv->format_name, entry->key); } else { - error_setg(errp, "Block format '%s' used by device '%s' doesn't " - "support the option '%s'", drv->format_name, - bdrv_get_device_name(bs), entry->key); + error_setg(errp, + "Block format '%s' doesn't support the option '%s'", + drv->format_name, entry->key); } ret = -EINVAL; diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out index 7765aa0..c6df65f 100644 --- a/tests/qemu-iotests/051.out +++ b/tests/qemu-iotests/051.out @@ -5,16 +5,16 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/ === Unknown option === Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt= -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=: Block format 'qcow2' used by device 'ide0-hd0' doesn't support the option 'unknown_opt' +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=: Block format 'qcow2' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on: Block format 'qcow2' used by device 'ide0-hd0' doesn't support the option 'unknown_opt' +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=on: Block format 'qcow2' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234 -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234: Block format 'qcow2' used by device 'ide0-hd0' doesn't support the option 'unknown_opt' +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=1234: Block format 'qcow2' doesn't support the option 'unknown_opt' Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo -QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo: Block format 'qcow2' used by device 'ide0-hd0' doesn't support the option 'unknown_opt' +QEMU_PROG: -drive file=TEST_DIR/t.qcow2,format=qcow2,unknown_opt=foo: Block format 'qcow2' doesn't support the option 'unknown_opt' === Unknown protocol option === -- 2.6.2