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[Qemu-devel] [PULL 18/19] chardev: Properly initialize ChardevCommon com


From: Paolo Bonzini
Subject: [Qemu-devel] [PULL 18/19] chardev: Properly initialize ChardevCommon components
Date: Wed, 24 Feb 2016 14:27:40 +0100

From: Eric Blake <address@hidden>

Commit d0d7708b forgot to parse logging for spice chardevs and
virtual consoles. This requires making qemu_chr_parse_common()
non-static. While at it, use a temporary variable to make the
code shorter, as well as reduce the churn when a later patch
alters the layout of simple unions.

Signed-off-by: Eric Blake <address@hidden>
CC: Daniel P. Berrange <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 include/sysemu/char.h | 10 ++++++++++
 qemu-char.c           |  2 +-
 spice-qemu-char.c     | 12 ++++++++----
 ui/console.c          | 20 +++++++++++---------
 4 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index e035d1c..e46884f 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -115,6 +115,16 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
                                     Error **errp);
 
 /**
+ * @qemu_chr_parse_common:
+ *
+ * Parse the common options available to all character backends.
+ *
+ * @opts the options that still need parsing
+ * @backend a new backend
+ */
+void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend);
+
+/**
  * @qemu_chr_new:
  *
  * Create a new character backend from a URI.
diff --git a/qemu-char.c b/qemu-char.c
index ad11b75..fc8ffda 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3490,7 +3490,7 @@ fail:
     return NULL;
 }
 
-static void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend)
+void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend)
 {
     const char *logfile = qemu_opt_get(opts, "logfile");
 
diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index 7c1f438..21885c5 100644
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -366,26 +366,30 @@ static void qemu_chr_parse_spice_vmc(QemuOpts *opts, 
ChardevBackend *backend,
                                      Error **errp)
 {
     const char *name = qemu_opt_get(opts, "name");
+    ChardevSpiceChannel *spicevmc;
 
     if (name == NULL) {
         error_setg(errp, "chardev: spice channel: no name given");
         return;
     }
-    backend->u.spicevmc = g_new0(ChardevSpiceChannel, 1);
-    backend->u.spicevmc->type = g_strdup(name);
+    spicevmc = backend->u.spicevmc = g_new0(ChardevSpiceChannel, 1);
+    qemu_chr_parse_common(opts, qapi_ChardevSpiceChannel_base(spicevmc));
+    spicevmc->type = g_strdup(name);
 }
 
 static void qemu_chr_parse_spice_port(QemuOpts *opts, ChardevBackend *backend,
                                       Error **errp)
 {
     const char *name = qemu_opt_get(opts, "name");
+    ChardevSpicePort *spiceport;
 
     if (name == NULL) {
         error_setg(errp, "chardev: spice port: no name given");
         return;
     }
-    backend->u.spiceport = g_new0(ChardevSpicePort, 1);
-    backend->u.spiceport->fqdn = g_strdup(name);
+    spiceport = backend->u.spiceport = g_new0(ChardevSpicePort, 1);
+    qemu_chr_parse_common(opts, qapi_ChardevSpicePort_base(spiceport));
+    spiceport->fqdn = g_strdup(name);
 }
 
 static void register_types(void)
diff --git a/ui/console.c b/ui/console.c
index b739ae9..7db0fd2 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -2060,31 +2060,33 @@ static void qemu_chr_parse_vc(QemuOpts *opts, 
ChardevBackend *backend,
                               Error **errp)
 {
     int val;
+    ChardevVC *vc;
 
-    backend->u.vc = g_new0(ChardevVC, 1);
+    vc = backend->u.vc = g_new0(ChardevVC, 1);
+    qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc));
 
     val = qemu_opt_get_number(opts, "width", 0);
     if (val != 0) {
-        backend->u.vc->has_width = true;
-        backend->u.vc->width = val;
+        vc->has_width = true;
+        vc->width = val;
     }
 
     val = qemu_opt_get_number(opts, "height", 0);
     if (val != 0) {
-        backend->u.vc->has_height = true;
-        backend->u.vc->height = val;
+        vc->has_height = true;
+        vc->height = val;
     }
 
     val = qemu_opt_get_number(opts, "cols", 0);
     if (val != 0) {
-        backend->u.vc->has_cols = true;
-        backend->u.vc->cols = val;
+        vc->has_cols = true;
+        vc->cols = val;
     }
 
     val = qemu_opt_get_number(opts, "rows", 0);
     if (val != 0) {
-        backend->u.vc->has_rows = true;
-        backend->u.vc->rows = val;
+        vc->has_rows = true;
+        vc->rows = val;
     }
 }
 
-- 
2.5.0





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