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qemu-char: minor mux chardev fixes

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mux failure path has a memory leak.  creating a mux chardev can't
fail though, so just assert() that instead of fixing an error path
which never ever runs anyway ...

Also fix bid being leaked while being at it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Gerd Hoffmann 2013-06-24 08:39:53 +02:00 • committed by Michael Tokarev
parent 99aec0123c
commit dc2c4eca89
1 changed files with 3 additions and 4 deletions
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7
qemu-char.c
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@ -3186,7 +3186,7 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
ChardevBackend *backend = g_new0(ChardevBackend, 1);
ChardevReturn *ret = NULL;
const char *id = qemu_opts_id(opts);
const char *bid = NULL;
char *bid = NULL;
if (qemu_opt_get_bool(opts, "mux", 0)) {
bid = g_strdup_printf("%s-base", id);
@ -3213,9 +3213,7 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
backend->kind = CHARDEV_BACKEND_KIND_MUX;
backend->mux->chardev = g_strdup(bid);
ret = qmp_chardev_add(id, backend, errp);
if (error_is_set(errp)) {
goto qapi_out;
}
assert(!error_is_set(errp));
}
chr = qemu_chr_find(id);
@ -3223,6 +3221,7 @@ CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts,
qapi_out:
qapi_free_ChardevBackend(backend);
qapi_free_ChardevReturn(ret);
g_free(bid);
return chr;
}