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authorHans de Goede <hdegoede@redhat.com>2013-03-27 20:29:40 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2013-04-04 19:21:25 -0500
commit456d60692310e7ac25cf822cc1e98192ad636ece (patch)
tree864cec4d85706b465de5c1e23b9f01417b5eff80 /backends
parent44c473decd4de5559487430f876de53c607b1e9d (diff)
qemu-char: Call fe_claim / fe_release when not using qdev chr properties
chardev-frontends need to explictly check, increase and decrement the avail_connections "property" of the chardev when they are not using a qdev-chardev-property for the chardev. This fixes things like: qemu-kvm -chardev stdio,id=foo -device isa-serial,chardev=foo \ -mon chardev=foo Working, where they should fail. Most of the changes here are due to old hardware emulation code which is using serial_hds directly rather then a qdev-chardev-property. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364412581-3672-3-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'backends')
-rw-r--r--backends/rng-egd.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/backends/rng-egd.c b/backends/rng-egd.c
index 5e012e9e30..cc6f5ee28e 100644
--- a/backends/rng-egd.c
+++ b/backends/rng-egd.c
@@ -149,6 +149,11 @@ static void rng_egd_opened(RngBackend *b, Error **errp)
return;
}
+ if (qemu_chr_fe_claim(s->chr) != 0) {
+ error_set(errp, QERR_DEVICE_IN_USE, s->chr_name);
+ return;
+ }
+
/* FIXME we should resubmit pending requests when the CDS reconnects. */
qemu_chr_add_handlers(s->chr, rng_egd_chr_can_read, rng_egd_chr_read,
NULL, s);
@@ -191,6 +196,7 @@ static void rng_egd_finalize(Object *obj)
if (s->chr) {
qemu_chr_add_handlers(s->chr, NULL, NULL, NULL, NULL);
+ qemu_chr_fe_release(s->chr);
}
g_free(s->chr_name);