Demonstrate how VIR_RETURN_PTR by refactoring qemu_block.c
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
src/qemu/qemu_block.c | 48 +++++++++++--------------------------------
1 file changed, 12 insertions(+), 36 deletions(-)
diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
index 31800919a7..7d9f7ec3ab 100644
--- a/src/qemu/qemu_block.c
+++ b/src/qemu/qemu_block.c
@@ -234,7 +234,6 @@ qemuBlockNodeNameGetBackingChain(virJSONValuePtr namednodes,
struct qemuBlockNodeNameGetBackingChainData data;
VIR_AUTOPTR(virHashTable) namednodestable = NULL;
VIR_AUTOPTR(virHashTable) disks = NULL;
- virHashTablePtr ret = NULL;
memset(&data, 0, sizeof(data));
@@ -257,8 +256,7 @@ qemuBlockNodeNameGetBackingChain(virJSONValuePtr namednodes,
&data) < 0)
return NULL;
- VIR_STEAL_PTR(ret, disks);
- return ret;
+ VIR_RETURN_PTR(disks);
}
@@ -375,7 +373,6 @@ virHashTablePtr
qemuBlockGetNodeData(virJSONValuePtr data)
{
VIR_AUTOPTR(virHashTable) nodedata = NULL;
- virHashTablePtr ret = NULL;
if (!(nodedata = virHashCreate(50, virJSONValueHashFree)))
return NULL;
@@ -384,8 +381,7 @@ qemuBlockGetNodeData(virJSONValuePtr data)
qemuBlockNamedNodesArrayToHash, nodedata) < 0)
return NULL;
- VIR_STEAL_PTR(ret, nodedata);
- return ret;
+ VIR_RETURN_PTR(nodedata);
}
@@ -414,7 +410,6 @@ virURIPtr
qemuBlockStorageSourceGetURI(virStorageSourcePtr src)
{
VIR_AUTOPTR(virURI) uri = NULL;
- virURIPtr ret = NULL;
if (src->nhosts != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -455,8 +450,7 @@ qemuBlockStorageSourceGetURI(virStorageSourcePtr src)
if (VIR_STRDUP(uri->server, src->hosts->name) < 0)
return NULL;
- VIR_STEAL_PTR(ret, uri);
- return ret;
+ VIR_RETURN_PTR(uri);
}
@@ -478,7 +472,6 @@ qemuBlockStorageSourceBuildJSONSocketAddress(virStorageNetHostDefPtr
host,
bool legacy)
{
VIR_AUTOPTR(virJSONValue) server = NULL;
- virJSONValuePtr ret = NULL;
const char *transport;
const char *field;
VIR_AUTOFREE(char *) port = NULL;
@@ -522,8 +515,7 @@ qemuBlockStorageSourceBuildJSONSocketAddress(virStorageNetHostDefPtr
host,
return NULL;
}
- VIR_STEAL_PTR(ret, server);
- return ret;
+ VIR_RETURN_PTR(server);
}
@@ -541,7 +533,6 @@ qemuBlockStorageSourceBuildHostsJSONSocketAddress(virStorageSourcePtr
src,
{
VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) server = NULL;
- virJSONValuePtr ret = NULL;
virStorageNetHostDefPtr host;
size_t i;
@@ -560,8 +551,7 @@ qemuBlockStorageSourceBuildHostsJSONSocketAddress(virStorageSourcePtr
src,
server = NULL;
}
- VIR_STEAL_PTR(ret, servers);
- return ret;
+ VIR_RETURN_PTR(servers);
}
@@ -610,7 +600,6 @@
qemuBlockStorageSourceBuildHostsJSONInetSocketAddress(virStorageSourcePtr src)
{
VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) server = NULL;
- virJSONValuePtr ret = NULL;
virStorageNetHostDefPtr host;
size_t i;
@@ -629,8 +618,7 @@
qemuBlockStorageSourceBuildHostsJSONInetSocketAddress(virStorageSourcePtr src)
server = NULL;
}
- VIR_STEAL_PTR(ret, servers);
- return ret;
+ VIR_RETURN_PTR(servers);
}
@@ -640,7 +628,6 @@ qemuBlockStorageSourceGetGlusterProps(virStorageSourcePtr src,
{
VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) props = NULL;
- virJSONValuePtr ret = NULL;
if (!(servers = qemuBlockStorageSourceBuildHostsJSONSocketAddress(src, legacy)))
return NULL;
@@ -662,8 +649,7 @@ qemuBlockStorageSourceGetGlusterProps(virStorageSourcePtr src,
virJSONValueObjectAdd(props, "u:debug", src->debugLevel, NULL) <
0)
return NULL;
- VIR_STEAL_PTR(ret, props);
- return ret;
+ VIR_RETURN_PTR(props);
}
@@ -1048,7 +1034,6 @@ qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src,
{
int actualType = virStorageSourceGetActualType(src);
VIR_AUTOPTR(virJSONValue) fileprops = NULL;
- virJSONValuePtr ret = NULL;
switch ((virStorageType)actualType) {
case VIR_STORAGE_TYPE_BLOCK:
@@ -1137,8 +1122,7 @@ qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src,
return NULL;
}
- VIR_STEAL_PTR(ret, fileprops);
- return ret;
+ VIR_RETURN_PTR(fileprops);
}
@@ -1266,7 +1250,6 @@
qemuBlockStorageSourceGetBlockdevFormatCommonProps(virStorageSourcePtr src)
int detectZeroesMode = virDomainDiskGetDetectZeroesMode(src->discard,
src->detect_zeroes);
VIR_AUTOPTR(virJSONValue) props = NULL;
- virJSONValuePtr ret = NULL;
if (qemuBlockNodeNameValidate(src->nodeformat) < 0)
return NULL;
@@ -1292,8 +1275,7 @@
qemuBlockStorageSourceGetBlockdevFormatCommonProps(virStorageSourcePtr src)
if (qemuBlockStorageSourceGetBlockdevGetCacheProps(src, props) < 0)
return NULL;
- VIR_STEAL_PTR(ret, props);
- return ret;
+ VIR_RETURN_PTR(props);
}
@@ -1302,7 +1284,6 @@ qemuBlockStorageSourceGetBlockdevFormatProps(virStorageSourcePtr
src)
{
const char *driver = NULL;
VIR_AUTOPTR(virJSONValue) props = NULL;
- virJSONValuePtr ret = NULL;
if (!(props = qemuBlockStorageSourceGetBlockdevFormatCommonProps(src)))
return NULL;
@@ -1366,8 +1347,7 @@ qemuBlockStorageSourceGetBlockdevFormatProps(virStorageSourcePtr
src)
virJSONValueObjectAdd(props, "s:driver", driver, NULL) < 0)
return NULL;
- VIR_STEAL_PTR(ret, props);
- return ret;
+ VIR_RETURN_PTR(props);
}
@@ -1385,7 +1365,6 @@ qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src)
{
bool backingSupported = src->format >= VIR_STORAGE_FILE_BACKING;
VIR_AUTOPTR(virJSONValue) props = NULL;
- virJSONValuePtr ret = NULL;
if (virStorageSourceHasBacking(src) && !backingSupported) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -1413,8 +1392,7 @@ qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src)
}
}
- VIR_STEAL_PTR(ret, props);
- return ret;
+ VIR_RETURN_PTR(props);
}
@@ -1457,7 +1435,6 @@ qemuBlockStorageSourceAttachDataPtr
qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src)
{
VIR_AUTOPTR(qemuBlockStorageSourceAttachData) data = NULL;
- qemuBlockStorageSourceAttachDataPtr ret = NULL;
if (VIR_ALLOC(data) < 0)
return NULL;
@@ -1469,8 +1446,7 @@ qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr
src)
data->storageNodeName = src->nodestorage;
data->formatNodeName = src->nodeformat;
- VIR_STEAL_PTR(ret, data);
- return ret;
+ VIR_RETURN_PTR(data);
}
--
2.20.1