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authorCornelia Huck <cornelia.huck@de.ibm.com>2014-12-11 14:25:06 +0100
committerMichael S. Tsirkin <mst@redhat.com>2015-02-26 13:04:07 +0100
commitef546f1275f6563e8934dd5e338d29d9f9909ca6 (patch)
tree49f88ac3f5533f612a0e9f93be451c54edd41917 /hw/char
parent0cd09c3a6cc2230ba38c462fc410b4acce59eb6f (diff)
downloadqemu-ef546f1275f6563e8934dd5e338d29d9f9909ca6.tar.gz
virtio: add feature checking helpers
Add a helper function for checking whether a bit is set in the guest features for a vdev as well as one that works on a feature bit set. Convert code that open-coded this: It cleans up the code and makes it easier to extend the guest feature bits. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/char')
-rw-r--r--hw/char/virtio-serial-bus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index 2365336393..ba4cf2e3d0 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -76,7 +76,7 @@ static VirtIOSerialPort *find_port_by_name(char *name)
static bool use_multiport(VirtIOSerial *vser)
{
VirtIODevice *vdev = VIRTIO_DEVICE(vser);
- return vdev->guest_features & (1 << VIRTIO_CONSOLE_F_MULTIPORT);
+ return virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT);
}
static size_t write_to_port(VirtIOSerialPort *port,