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block: Remove -errno return value from bdrv_assign_node_name 

It takes an errp argument. That's enough for error handling.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2014-01-24 14:11:52 +01:00
parent acd7fdc6d8
commit 636ea3708c
1 changed files with 11 additions and 12 deletions
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23
block.c
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@ -788,38 +788,36 @@ static int bdrv_open_flags(BlockDriverState *bs, int flags)
return open_flags;
}
static int bdrv_assign_node_name(BlockDriverState *bs,
const char *node_name,
Error **errp)
static void bdrv_assign_node_name(BlockDriverState *bs,
const char *node_name,
Error **errp)
{
if (!node_name) {
return 0;
return;
}
/* empty string node name is invalid */
if (node_name[0] == '\0') {
error_setg(errp, "Empty node name");
return -EINVAL;
return;
}
/* takes care of avoiding namespaces collisions */
if (bdrv_find(node_name)) {
error_setg(errp, "node-name=%s is conflicting with a device id",
node_name);
return -EINVAL;
return;
}
/* takes care of avoiding duplicates node names */
if (bdrv_find_node(node_name)) {
error_setg(errp, "Duplicate node name");
return -EINVAL;
return;
}
/* copy node name into the bs and insert it into the graph list */
pstrcpy(bs->node_name, sizeof(bs->node_name), node_name);
QTAILQ_INSERT_TAIL(&graph_bdrv_states, bs, node_list);
return 0;
}
/*
@ -854,9 +852,10 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
trace_bdrv_open_common(bs, filename ?: "", flags, drv->format_name);
node_name = qdict_get_try_str(options, "node-name");
ret = bdrv_assign_node_name(bs, node_name, errp);
if (ret < 0) {
return ret;
bdrv_assign_node_name(bs, node_name, &local_err);
if (error_is_set(&local_err)) {
error_propagate(errp, local_err);
return -EINVAL;
}
qdict_del(options, "node-name");