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-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);