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qapi: Use QAPI_LIST_PREPEND() where possible

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Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND().  But places where we must keep the list in order
by appending remain open-coded until later patches.

Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
 new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved.  Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2020-11-12 19:13:37 -06:00 • committed by Markus Armbruster
parent eaedde5255
commit 54aa3de72e
32 changed files with 158 additions and 421 deletions
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20
chardev/char.c
View file

@ -776,15 +776,13 @@ static int qmp_query_chardev_foreach(Object *obj, void *data)
{
Chardev *chr = CHARDEV(obj);
ChardevInfoList **list = data;
ChardevInfoList *info = g_malloc0(sizeof(*info));
ChardevInfo *value = g_malloc0(sizeof(*value));
info->value = g_malloc0(sizeof(*info->value));
info->value->label = g_strdup(chr->label);
info->value->filename = g_strdup(chr->filename);
info->value->frontend_open = chr->be && chr->be->fe_open;
value->label = g_strdup(chr->label);
value->filename = g_strdup(chr->filename);
value->frontend_open = chr->be && chr->be->fe_open;
info->next = *list;
*list = info;
QAPI_LIST_PREPEND(*list, value);
return 0;
}
@ -803,12 +801,10 @@ static void
qmp_prepend_backend(const char *name, void *opaque)
{
ChardevBackendInfoList **list = opaque;
ChardevBackendInfoList *info = g_malloc0(sizeof(*info));
ChardevBackendInfo *value = g_new0(ChardevBackendInfo, 1);
info->value = g_malloc0(sizeof(*info->value));
info->value->name = g_strdup(name);
info->next = *list;
*list = info;
value->name = g_strdup(name);
QAPI_LIST_PREPEND(*list, value);
}
ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp)