tests/migration: Drop arch_[source|target]

Coverity complained about them. These two variables are never used now
after commit 832c732 ("migration-test: Create arch_opts"), and/or commit
34cc54f ("tests/qtest/migration-test: Use custom asm bios for ppc64").

Resolves: Coverity CID 1568379
Resolves: Coverity CID 1568380
Signed-off-by: Peter Xu <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Fabiano Rosas <[email protected]>

Author: xzpeter

tests/qtest/migration/framework.c

@@ -197,8 +197,6 @@ static void cleanup(const char *filename)
 int migrate_start(QTestState **from, QTestState **to, const char *uri,
                   MigrateStart *args)
 {
-    g_autofree gchar *arch_source = NULL;
-    g_autofree gchar *arch_target = NULL;
     /* options for source and target */
     g_autofree gchar *arch_opts = NULL;
     g_autofree gchar *cmd_source = NULL;
@@ -307,12 +305,11 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
                                  "-name source,debug-threads=on "
                                  "-m %s "
                                  "-serial file:%s/src_serial "
-                                 "%s %s %s %s %s",
+                                 "%s %s %s %s",
                                  kvm_opts ? kvm_opts : "",
                                  machine, machine_opts,
                                  memory_size, tmpfs,
                                  arch_opts ? arch_opts : "",
-                                 arch_source ? arch_source : "",
                                  shmem_opts ? shmem_opts : "",
                                  args->opts_source ? args->opts_source : "",
                                  ignore_stderr);
@@ -329,12 +326,11 @@ int migrate_start(QTestState **from, QTestState **to, const char *uri,
                                  "-m %s "
                                  "-serial file:%s/dest_serial "
                                  "-incoming %s "
-                                 "%s %s %s %s %s",
+                                 "%s %s %s %s",
                                  kvm_opts ? kvm_opts : "",
                                  machine, machine_opts,
                                  memory_size, tmpfs, uri,
                                  arch_opts ? arch_opts : "",
-                                 arch_target ? arch_target : "",
                                  shmem_opts ? shmem_opts : "",
                                  args->opts_target ? args->opts_target : "",
                                  ignore_stderr);