diff options
Diffstat (limited to 'qemu-char.c')
| -rw-r--r-- | qemu-char.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c index 345fd67fca..c9890ad20f 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); } |