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Diffstat (limited to 'qemu-char.c')
-rw-r--r--qemu-char.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/qemu-char.c b/qemu-char.c
index b3ff4700ff..16b33acbc5 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2787,13 +2787,13 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
if (qemu_opts_id(opts) == NULL) {
error_setg(errp, "chardev: no id specified\n");
- return NULL;
+ goto err;
}
if (qemu_opt_get(opts, "backend") == NULL) {
error_setg(errp, "chardev: \"%s\" missing backend\n",
qemu_opts_id(opts));
- return NULL;
+ goto err;
}
for (i = 0; i < ARRAY_SIZE(backend_table); i++) {
if (strcmp(backend_table[i].name, qemu_opt_get(opts, "backend")) == 0)
@@ -2802,14 +2802,14 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
if (i == ARRAY_SIZE(backend_table)) {
error_setg(errp, "chardev: backend \"%s\" not found\n",
qemu_opt_get(opts, "backend"));
- return NULL;
+ goto err;
}
chr = backend_table[i].open(opts);
if (!chr) {
error_setg(errp, "chardev: opening backend \"%s\" failed\n",
qemu_opt_get(opts, "backend"));
- return NULL;
+ goto err;
}
if (!chr->filename)
@@ -2830,7 +2830,12 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
chr->avail_connections = 1;
}
chr->label = g_strdup(qemu_opts_id(opts));
+ chr->opts = opts;
return chr;
+
+err:
+ qemu_opts_del(opts);
+ return NULL;
}
CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*init)(struct CharDriverState *s))
@@ -2856,7 +2861,6 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename, void (*in
if (chr && qemu_opt_get_bool(opts, "mux", 0)) {
monitor_init(chr, MONITOR_USE_READLINE);
}
- qemu_opts_del(opts);
return chr;
}
@@ -2884,10 +2888,14 @@ void qemu_chr_fe_close(struct CharDriverState *chr)
void qemu_chr_delete(CharDriverState *chr)
{
QTAILQ_REMOVE(&chardevs, chr, next);
- if (chr->chr_close)
+ if (chr->chr_close) {
chr->chr_close(chr);
+ }
g_free(chr->filename);
g_free(chr->label);
+ if (chr->opts) {
+ qemu_opts_del(chr->opts);
+ }
g_free(chr);
}