trace: remove argument from trace_init_file

It is not needed, all the callers are just saving what was
retrieved from -trace and trace_init_file can retrieve it
on its own.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20201102115841.4017692-1-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 75ced65..a7075c5 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -581,7 +581,6 @@ int main(int argc, char **argv)
     const char *tlscredsid = NULL;
     bool imageOpts = false;
     bool writethrough = true;
-    char *trace_file = NULL;
     bool fork_process = false;
     bool list = false;
     int old_stderr = -1;
@@ -768,8 +767,7 @@ int main(int argc, char **argv)
             imageOpts = true;
             break;
         case 'T':
-            g_free(trace_file);
-            trace_file = trace_opt_parse(optarg);
+            trace_opt_parse(optarg);
             break;
         case QEMU_NBD_OPT_TLSAUTHZ:
             tlsauthz = optarg;
@@ -816,7 +814,7 @@ int main(int argc, char **argv)
     if (!trace_init_backends()) {
         exit(1);
     }
-    trace_init_file(trace_file);
+    trace_init_file();
     qemu_set_log(LOG_TRACE);
 
     socket_activation = check_socket_activation();