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authorJoel Stanley <joel@jms.id.au>2020-08-10 07:07:46 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-10 07:07:49 +0300
commit4789fd48a313d36fe6b8fc1da5e0788f5ea074cb (patch)
tree2c8c27b52f0e38abb7416ce81b04c3b85511b694 /drivers/virtio
parent8a9b346382056b52cd7ff141ae9f15a0fcfeb13d (diff)
parentd9939285fc818425ae92bd99f8c97b6b9ef3bb88 (diff)
downloadlinux-dev-5.4.tar.xz
Merge tag 'v5.4.57' into dev-5.4dev-5.4
This is the 5.4.57 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/virtio_balloon.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 7aaf150f89ba..1e444826a66e 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -529,10 +529,14 @@ static int init_vqs(struct virtio_balloon *vb)
static u32 virtio_balloon_cmd_id_received(struct virtio_balloon *vb)
{
if (test_and_clear_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID,
- &vb->config_read_bitmap))
+ &vb->config_read_bitmap)) {
virtio_cread(vb->vdev, struct virtio_balloon_config,
free_page_report_cmd_id,
&vb->cmd_id_received_cache);
+ /* Legacy balloon config space is LE, unlike all other devices. */
+ if (!virtio_has_feature(vb->vdev, VIRTIO_F_VERSION_1))
+ vb->cmd_id_received_cache = le32_to_cpu((__force __le32)vb->cmd_id_received_cache);
+ }
return vb->cmd_id_received_cache;
}