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| author |   Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:19:58 -0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-11 05:19:58 -0300 |
| commit | caaef9b163a4696f686d91f9f2767e9c6ab446d6 (patch) | |
| tree | 33acd5bd1bc8c34ffe36af2a7ab160018d80250f /hw/virtio-serial-bus.c | |
| parent | 487a26af87644923656e98a40f7801ec2f459b14 (diff) | |
| parent | c9159fe9aa9abe24115ea4d16127179e9cb07e22 (diff) | |
Merge commit 'c9159fe9aa9abe24115ea4d16127179e9cb07e22' into upstream-merge
* commit 'c9159fe9aa9abe24115ea4d16127179e9cb07e22': (83 commits)
Remove libhw
rtc: implement century byte
rtc: map CMOS index 0x37 to 0x32 on read and writes
rtc: fix overflow in mktimegm
qtest: implement QTEST_STOP
qemu-barrier: Fix compiler version check for future gcc versions
doc: update HACKING wrt strncpy/pstrcpy
hw/r2d: add comment: this strncpy use is ok
qcow2: mark this file's sole strncpy use as justified
acpi: remove strzcpy (strncpy-identical) function; just use strncpy
libcacard/vcard_emul_nss: use pstrcpy in place of strncpy
qemu-ga: prefer pstrcpy: consistently NUL-terminate ifreq.ifr_name
vscsi: avoid unwarranted strncpy
virtio-9p: avoid unwarranted uses of strncpy
bt: replace fragile snprintf use and unwarranted strncpy
ui/vnc: simplify and avoid strncpy
linux-user: remove two unchecked uses of strdup
ppc: avoid buffer overrun: use pstrcpy, not strncpy
os-posix: avoid buffer overrun
lm32: avoid buffer overrun
...
Conflicts:
hw/Makefile.objs
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'hw/virtio-serial-bus.c')
| -rw-r--r-- | hw/virtio-serial-bus.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index 82073f5dc..d20bd8bf7 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -287,6 +287,7 @@ ssize_t virtio_serial_write(VirtIOSerialPort *port, const uint8_t *buf, size_t virtio_serial_guest_ready(VirtIOSerialPort *port) { VirtQueue *vq = port->ivq; + unsigned int bytes; if (!virtio_queue_ready(vq) || !(port->vser->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) || @@ -296,14 +297,8 @@ size_t virtio_serial_guest_ready(VirtIOSerialPort *port) if (use_multiport(port->vser) && !port->guest_connected) { return 0; } - - if (virtqueue_avail_bytes(vq, 4096, 0)) { - return 4096; - } - if (virtqueue_avail_bytes(vq, 1, 0)) { - return 1; - } - return 0; + virtqueue_get_avail_bytes(vq, &bytes, NULL); + return bytes; } static void flush_queued_data_bh(void *opaque) |