From c0c4bd2cfae0fb83696000f1bfc355f22e2b41cb Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 26 Mar 2013 11:07:55 +0100 Subject: qemu-char: Add fe_open tracking Add tracking of the fe_open state to struct CharDriverState. Signed-off-by: Hans de Goede Message-id: 1364292483-16564-4-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori --- qemu-char.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'qemu-char.c') diff --git a/qemu-char.c b/qemu-char.c index 345fd67..c9890ad 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -3412,6 +3412,10 @@ void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo) void qemu_chr_fe_open(struct CharDriverState *chr) { + if (chr->fe_open) { + return; + } + chr->fe_open = 1; if (chr->chr_guest_open) { chr->chr_guest_open(chr); } @@ -3419,6 +3423,10 @@ void qemu_chr_fe_open(struct CharDriverState *chr) void qemu_chr_fe_close(struct CharDriverState *chr) { + if (!chr->fe_open) { + return; + } + chr->fe_open = 0; if (chr->chr_guest_close) { chr->chr_guest_close(chr); } -- cgit v1.1