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qemu-img: Fix qemu-img convert -n

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If -n is specified, it does not matter whether the output format and
protocol support image creation; building the creation options should
simply be skipped.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1423666727-20777-2-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz 2015-02-11 09:58:46 -05:00 committed by Stefan Hajnoczi
parent fb13bbf2fd
commit 2e024cde1f
1 changed files with 26 additions and 24 deletions
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50
qemu-img.c
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@ -1531,34 +1531,36 @@ static int img_convert(int argc, char **argv)
goto out;
}
if (!drv->create_opts) {
error_report("Format driver '%s' does not support image creation",
drv->format_name);
ret = -1;
goto out;
}
if (!skip_create) {
if (!drv->create_opts) {
error_report("Format driver '%s' does not support image creation",
drv->format_name);
ret = -1;
goto out;
}
if (!proto_drv->create_opts) {
error_report("Protocol driver '%s' does not support image creation",
proto_drv->format_name);
ret = -1;
goto out;
}
if (!proto_drv->create_opts) {
error_report("Protocol driver '%s' does not support image creation",
proto_drv->format_name);
ret = -1;
goto out;
}
create_opts = qemu_opts_append(create_opts, drv->create_opts);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
create_opts = qemu_opts_append(create_opts, drv->create_opts);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
if (options && qemu_opts_do_parse(opts, options, NULL)) {
error_report("Invalid options for file format '%s'", out_fmt);
ret = -1;
goto out;
}
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
if (options && qemu_opts_do_parse(opts, options, NULL)) {
error_report("Invalid options for file format '%s'", out_fmt);
ret = -1;
goto out;
}
qemu_opt_set_number(opts, BLOCK_OPT_SIZE, total_sectors * 512);
ret = add_old_style_options(out_fmt, opts, out_baseimg, NULL);
if (ret < 0) {
goto out;
qemu_opt_set_number(opts, BLOCK_OPT_SIZE, total_sectors * 512);
ret = add_old_style_options(out_fmt, opts, out_baseimg, NULL);
if (ret < 0) {
goto out;
}
}
/* Get backing file name if -o backing_file was used */