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qemu: block: Use VIR_RETURN_PTR

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Demonstrate how VIR_RETURN_PTR is used by refactoring qemu_block.c

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2019-04-05 17:52:17 +02:00
parent 267f1e6da5
commit 0ef161c88f
1 changed files with 12 additions and 36 deletions
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48
src/qemu/qemu_block.c
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@ -234,7 +234,6 @@ qemuBlockNodeNameGetBackingChain(virJSONValuePtr namednodes,
struct qemuBlockNodeNameGetBackingChainData data; struct qemuBlockNodeNameGetBackingChainData data;
VIR_AUTOPTR(virHashTable) namednodestable = NULL; VIR_AUTOPTR(virHashTable) namednodestable = NULL;
VIR_AUTOPTR(virHashTable) disks = NULL; VIR_AUTOPTR(virHashTable) disks = NULL;
virHashTablePtr ret = NULL;
memset(&data, 0, sizeof(data)); memset(&data, 0, sizeof(data));
@ -257,8 +256,7 @@ qemuBlockNodeNameGetBackingChain(virJSONValuePtr namednodes,
&data) < 0) &data) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, disks); VIR_RETURN_PTR(disks);
return ret;
} }
@ -375,7 +373,6 @@ virHashTablePtr
qemuBlockGetNodeData(virJSONValuePtr data) qemuBlockGetNodeData(virJSONValuePtr data)
{ {
VIR_AUTOPTR(virHashTable) nodedata = NULL; VIR_AUTOPTR(virHashTable) nodedata = NULL;
virHashTablePtr ret = NULL;
if (!(nodedata = virHashCreate(50, virJSONValueHashFree))) if (!(nodedata = virHashCreate(50, virJSONValueHashFree)))
return NULL; return NULL;
@ -384,8 +381,7 @@ qemuBlockGetNodeData(virJSONValuePtr data)
qemuBlockNamedNodesArrayToHash, nodedata) < 0) qemuBlockNamedNodesArrayToHash, nodedata) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, nodedata); VIR_RETURN_PTR(nodedata);
return ret;
} }
@ -414,7 +410,6 @@ virURIPtr
qemuBlockStorageSourceGetURI(virStorageSourcePtr src) qemuBlockStorageSourceGetURI(virStorageSourcePtr src)
{ {
VIR_AUTOPTR(virURI) uri = NULL; VIR_AUTOPTR(virURI) uri = NULL;
virURIPtr ret = NULL;
if (src->nhosts != 1) { if (src->nhosts != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR, virReportError(VIR_ERR_INTERNAL_ERROR,
@ -455,8 +450,7 @@ qemuBlockStorageSourceGetURI(virStorageSourcePtr src)
if (VIR_STRDUP(uri->server, src->hosts->name) < 0) if (VIR_STRDUP(uri->server, src->hosts->name) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, uri); VIR_RETURN_PTR(uri);
return ret;
} }
@ -478,7 +472,6 @@ qemuBlockStorageSourceBuildJSONSocketAddress(virStorageNetHostDefPtr host,
bool legacy) bool legacy)
{ {
VIR_AUTOPTR(virJSONValue) server = NULL; VIR_AUTOPTR(virJSONValue) server = NULL;
virJSONValuePtr ret = NULL;
const char *transport; const char *transport;
const char *field; const char *field;
VIR_AUTOFREE(char *) port = NULL; VIR_AUTOFREE(char *) port = NULL;
@ -522,8 +515,7 @@ qemuBlockStorageSourceBuildJSONSocketAddress(virStorageNetHostDefPtr host,
return NULL; return NULL;
} }
VIR_STEAL_PTR(ret, server); VIR_RETURN_PTR(server);
return ret;
} }
@ -541,7 +533,6 @@ qemuBlockStorageSourceBuildHostsJSONSocketAddress(virStorageSourcePtr src,
{ {
VIR_AUTOPTR(virJSONValue) servers = NULL; VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) server = NULL; VIR_AUTOPTR(virJSONValue) server = NULL;
virJSONValuePtr ret = NULL;
virStorageNetHostDefPtr host; virStorageNetHostDefPtr host;
size_t i; size_t i;
@ -560,8 +551,7 @@ qemuBlockStorageSourceBuildHostsJSONSocketAddress(virStorageSourcePtr src,
server = NULL; server = NULL;
} }
VIR_STEAL_PTR(ret, servers); VIR_RETURN_PTR(servers);
return ret;
} }
@ -610,7 +600,6 @@ qemuBlockStorageSourceBuildHostsJSONInetSocketAddress(virStorageSourcePtr src)
{ {
VIR_AUTOPTR(virJSONValue) servers = NULL; VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) server = NULL; VIR_AUTOPTR(virJSONValue) server = NULL;
virJSONValuePtr ret = NULL;
virStorageNetHostDefPtr host; virStorageNetHostDefPtr host;
size_t i; size_t i;
@ -629,8 +618,7 @@ qemuBlockStorageSourceBuildHostsJSONInetSocketAddress(virStorageSourcePtr src)
server = NULL; server = NULL;
} }
VIR_STEAL_PTR(ret, servers); VIR_RETURN_PTR(servers);
return ret;
} }
@ -640,7 +628,6 @@ qemuBlockStorageSourceGetGlusterProps(virStorageSourcePtr src,
{ {
VIR_AUTOPTR(virJSONValue) servers = NULL; VIR_AUTOPTR(virJSONValue) servers = NULL;
VIR_AUTOPTR(virJSONValue) props = NULL; VIR_AUTOPTR(virJSONValue) props = NULL;
virJSONValuePtr ret = NULL;
if (!(servers = qemuBlockStorageSourceBuildHostsJSONSocketAddress(src, legacy))) if (!(servers = qemuBlockStorageSourceBuildHostsJSONSocketAddress(src, legacy)))
return NULL; return NULL;
@ -662,8 +649,7 @@ qemuBlockStorageSourceGetGlusterProps(virStorageSourcePtr src,
virJSONValueObjectAdd(props, "u:debug", src->debugLevel, NULL) < 0) virJSONValueObjectAdd(props, "u:debug", src->debugLevel, NULL) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, props); VIR_RETURN_PTR(props);
return ret;
} }
@ -1048,7 +1034,6 @@ qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src,
{ {
int actualType = virStorageSourceGetActualType(src); int actualType = virStorageSourceGetActualType(src);
VIR_AUTOPTR(virJSONValue) fileprops = NULL; VIR_AUTOPTR(virJSONValue) fileprops = NULL;
virJSONValuePtr ret = NULL;
switch ((virStorageType)actualType) { switch ((virStorageType)actualType) {
case VIR_STORAGE_TYPE_BLOCK: case VIR_STORAGE_TYPE_BLOCK:
@ -1137,8 +1122,7 @@ qemuBlockStorageSourceGetBackendProps(virStorageSourcePtr src,
return NULL; return NULL;
} }
VIR_STEAL_PTR(ret, fileprops); VIR_RETURN_PTR(fileprops);
return ret;
} }
@ -1266,7 +1250,6 @@ qemuBlockStorageSourceGetBlockdevFormatCommonProps(virStorageSourcePtr src)
int detectZeroesMode = virDomainDiskGetDetectZeroesMode(src->discard, int detectZeroesMode = virDomainDiskGetDetectZeroesMode(src->discard,
src->detect_zeroes); src->detect_zeroes);
VIR_AUTOPTR(virJSONValue) props = NULL; VIR_AUTOPTR(virJSONValue) props = NULL;
virJSONValuePtr ret = NULL;
if (qemuBlockNodeNameValidate(src->nodeformat) < 0) if (qemuBlockNodeNameValidate(src->nodeformat) < 0)
return NULL; return NULL;
@ -1292,8 +1275,7 @@ qemuBlockStorageSourceGetBlockdevFormatCommonProps(virStorageSourcePtr src)
if (qemuBlockStorageSourceGetBlockdevGetCacheProps(src, props) < 0) if (qemuBlockStorageSourceGetBlockdevGetCacheProps(src, props) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, props); VIR_RETURN_PTR(props);
return ret;
} }
@ -1302,7 +1284,6 @@ qemuBlockStorageSourceGetBlockdevFormatProps(virStorageSourcePtr src)
{ {
const char *driver = NULL; const char *driver = NULL;
VIR_AUTOPTR(virJSONValue) props = NULL; VIR_AUTOPTR(virJSONValue) props = NULL;
virJSONValuePtr ret = NULL;
if (!(props = qemuBlockStorageSourceGetBlockdevFormatCommonProps(src))) if (!(props = qemuBlockStorageSourceGetBlockdevFormatCommonProps(src)))
return NULL; return NULL;
@ -1366,8 +1347,7 @@ qemuBlockStorageSourceGetBlockdevFormatProps(virStorageSourcePtr src)
virJSONValueObjectAdd(props, "s:driver", driver, NULL) < 0) virJSONValueObjectAdd(props, "s:driver", driver, NULL) < 0)
return NULL; return NULL;
VIR_STEAL_PTR(ret, props); VIR_RETURN_PTR(props);
return ret;
} }
@ -1385,7 +1365,6 @@ qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src)
{ {
bool backingSupported = src->format >= VIR_STORAGE_FILE_BACKING; bool backingSupported = src->format >= VIR_STORAGE_FILE_BACKING;
VIR_AUTOPTR(virJSONValue) props = NULL; VIR_AUTOPTR(virJSONValue) props = NULL;
virJSONValuePtr ret = NULL;
if (virStorageSourceHasBacking(src) && !backingSupported) { if (virStorageSourceHasBacking(src) && !backingSupported) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@ -1413,8 +1392,7 @@ qemuBlockStorageSourceGetBlockdevProps(virStorageSourcePtr src)
} }
} }
VIR_STEAL_PTR(ret, props); VIR_RETURN_PTR(props);
return ret;
} }
@ -1457,7 +1435,6 @@ qemuBlockStorageSourceAttachDataPtr
qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src) qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src)
{ {
VIR_AUTOPTR(qemuBlockStorageSourceAttachData) data = NULL; VIR_AUTOPTR(qemuBlockStorageSourceAttachData) data = NULL;
qemuBlockStorageSourceAttachDataPtr ret = NULL;
if (VIR_ALLOC(data) < 0) if (VIR_ALLOC(data) < 0)
return NULL; return NULL;
@ -1469,8 +1446,7 @@ qemuBlockStorageSourceAttachPrepareBlockdev(virStorageSourcePtr src)
data->storageNodeName = src->nodestorage; data->storageNodeName = src->nodestorage;
data->formatNodeName = src->nodeformat; data->formatNodeName = src->nodeformat;
VIR_STEAL_PTR(ret, data); VIR_RETURN_PTR(data);
return ret;
} }