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block: Don't parse 'filename' option

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When using the QDict option 'filename', it is supposed to be interpreted
literally. The code did correctly avoid guessing the protocol from any
string before the first colon, but it still called bdrv_parse_filename()
which would, for example, incorrectly remove a 'file:' prefix in the
raw-posix driver.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2014-04-03 12:45:51 +02:00
parent 8885eadedd
commit e3fa4bfa72
3 changed files with 19 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

8
block.c
View file

@ -968,7 +968,7 @@ static int bdrv_file_open(BlockDriverState *bs, const char *filename,
{
BlockDriver *drv;
const char *drvname;
bool allow_protocol_prefix = false;
bool parse_filename = false;
Error *local_err = NULL;
int ret;
@ -977,7 +977,7 @@ static int bdrv_file_open(BlockDriverState *bs, const char *filename,
filename = qdict_get_try_str(*options, "filename");
} else if (filename && !qdict_haskey(*options, "filename")) {
qdict_put(*options, "filename", qstring_from_str(filename));
allow_protocol_prefix = true;
parse_filename = true;
} else {
error_setg(errp, "Can't specify 'file' and 'filename' options at the "
"same time");
@ -994,7 +994,7 @@ static int bdrv_file_open(BlockDriverState *bs, const char *filename,
}
qdict_del(*options, "driver");
} else if (filename) {
drv = bdrv_find_protocol(filename, allow_protocol_prefix);
drv = bdrv_find_protocol(filename, parse_filename);
if (!drv) {
error_setg(errp, "Unknown protocol");
}
@ -1010,7 +1010,7 @@ static int bdrv_file_open(BlockDriverState *bs, const char *filename,
}
/* Parse the filename and open it */
if (drv->bdrv_parse_filename && filename) {
if (drv->bdrv_parse_filename && parse_filename) {
drv->bdrv_parse_filename(filename, *options, &local_err);
if (local_err) {
error_propagate(errp, local_err);

4
tests/qemu-iotests/051
View file

@ -204,6 +204,10 @@ run_qemu -hda foo:bar
run_qemu -drive file=foo:bar
run_qemu -drive file.filename=foo:bar
run_qemu -hda "file:$TEST_IMG"
run_qemu -drive file="file:$TEST_IMG"
run_qemu -drive file.filename="file:$TEST_IMG"
echo
echo === Snapshot mode ===
echo

11
tests/qemu-iotests/051.out
View file

@ -275,6 +275,17 @@ QEMU_PROG: -drive file=foo:bar: could not open disk image foo:bar: Unknown proto
Testing: -drive file.filename=foo:bar
QEMU_PROG: -drive file.filename=foo:bar: could not open disk image ide0-hd0: Could not open 'foo:bar': No such file or directory
Testing: -hda file:TEST_DIR/t.qcow2
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) qququiquit
Testing: -drive file=file:TEST_DIR/t.qcow2
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) qququiquit
Testing: -drive file.filename=file:TEST_DIR/t.qcow2
QEMU_PROG: -drive file.filename=file:TEST_DIR/t.qcow2: could not open disk image ide0-hd0: Could not open 'file:TEST_DIR/t.qcow2': No such file or directory
=== Snapshot mode ===