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qemu-option: qemu_opts_create(): use error_set()

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This commit converts qemu_opts_create() from qerror_report() to
error_set().

Currently, most calls to qemu_opts_create() can't fail, so most
callers don't need any changes.

The two cases where code checks for qemu_opts_create() erros are:

 1. Initialization code in vl.c. All of them print their own
    error messages directly to stderr, no need to pass the Error
    object

 2. The functions opts_parse(), qemu_opts_from_qdict() and
    qemu_chr_parse_compat() make use of the error information and
    they can be called from HMP or QMP. In this case, to allow for
    incremental conversion, we propagate the error up using
    qerror_report_err(), which keeps the QError semantics

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Luiz Capitulino 2012-03-20 15:51:57 -03:00
parent 783e9b4826
commit 8be7e7e4c7
9 changed files with 59 additions and 32 deletions
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2
hw/usb/dev-storage.c
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@ -584,7 +584,7 @@ static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
/* parse -usbdevice disk: syntax into drive opts */
snprintf(id, sizeof(id), "usb%d", nr++);
opts = qemu_opts_create(qemu_find_opts("drive"), id, 0);
opts = qemu_opts_create(qemu_find_opts("drive"), id, 0, NULL);
p1 = strchr(filename, ':');
if (p1++) {