From: Luiz Capitulino <lcapitul...@redhat.com>
This fixes a bug when using -m isa-serial where qemu-ga will
hang on a read()'s when communicating to the host via isa-serial.
Original fix by Michael Roth.
Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com>
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
qemu-ga.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/qemu-ga.c b/qemu-ga.c
index 8e5b075..d63b17c 100644
--- a/qemu-ga.c
+++ b/qemu-ga.c
@@ -544,7 +544,7 @@ static void init_guest_agent(GAState *s)
exit(EXIT_FAILURE);
}
} else if (strcmp(s->method, "isa-serial") == 0) {
- fd = qemu_open(s->path, O_RDWR | O_NOCTTY);
+ fd = qemu_open(s->path, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd == -1) {
g_critical("error opening channel: %s", strerror(errno));
exit(EXIT_FAILURE);
--
1.7.4.1
