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qemuBlockDiskDetectNodes: just return when alias is null

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Just return when alias is null and Remove the 'ret' variable.

Signed-off-by: Yi Li <yili@winhong.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Yi Li 2021-02-18 10:43:33 +08:00 committed by Ján Tomko
parent 33ddfaf4e6
commit 21d83d37ff
1 changed files with 8 additions and 13 deletions
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21
src/qemu/qemu_block.c
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@ -280,25 +280,22 @@ qemuBlockDiskDetectNodes(virDomainDiskDefPtr disk,
qemuBlockNodeNameBackingChainDataPtr entry = NULL;
virStorageSourcePtr src = disk->src;
g_autofree char *alias = NULL;
int ret = -1;
/* don't attempt the detection if the top level already has node names */
if (src->nodeformat || src->nodestorage)
return 0;
if (!(alias = qemuAliasDiskDriveFromDisk(disk)))
goto cleanup;
return -1;
if (!(entry = virHashLookup(disktable, alias))) {
ret = 0;
goto cleanup;
}
if (!(entry = virHashLookup(disktable, alias)))
return 0;
while (virStorageSourceIsBacking(src) && entry) {
if (src->nodeformat || src->nodestorage) {
if (STRNEQ_NULLABLE(src->nodeformat, entry->nodeformat) ||
STRNEQ_NULLABLE(src->nodestorage, entry->nodestorage))
goto cleanup;
goto error;
break;
} else {
@ -310,13 +307,11 @@ qemuBlockDiskDetectNodes(virDomainDiskDefPtr disk,
src = src->backingStore;
}
ret = 0;
return 0;
cleanup:
if (ret < 0)
qemuBlockDiskClearDetectedNodes(disk);
return ret;
error:
qemuBlockDiskClearDetectedNodes(disk);
return -1;
}