diff mbox series

[V5,6/6] fix 'cast to restricted le16' warnings in vdpa.c

Message ID 20220812104500.163625-7-lingshan.zhu@intel.com (mailing list archive)
State Not Applicable
Headers show
Series ifcvf/vDPA: support query device config space through netlink | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Zhu, Lingshan Aug. 12, 2022, 10:45 a.m. UTC 
This commit fixes spars warnings: cast to restricted __le16
in function vdpa_dev_net_config_fill() and
vdpa_fill_stats_rec()

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
---
 drivers/vdpa/vdpa.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index f6172c8dd262..0e5fa97dfcc3 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -847,7 +847,11 @@  static int vdpa_dev_net_config_fill(struct vdpa_device *vdev, struct sk_buff *ms
 
 	vdpa_get_config_unlocked(vdev, 0, &config, sizeof(config));
 
-	val_u16 = le16_to_cpu(config.status);
+	/*
+	 * Assume little endian for now, userspace can tweak this for
+	 * legacy guest support.
+	 */
+	val_u16 = __virtio16_to_cpu(true, config.status);
 	if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_STATUS, val_u16))
 		return -EMSGSIZE;
 
@@ -937,7 +941,11 @@  static int vdpa_fill_stats_rec(struct vdpa_device *vdev, struct sk_buff *msg,
 	}
 	vdpa_get_config_unlocked(vdev, 0, &config, sizeof(config));
 
-	max_vqp = le16_to_cpu(config.max_virtqueue_pairs);
+	/*
+	 * Assume little endian for now, userspace can tweak this for
+	 * legacy guest support.
+	 */
+	max_vqp = __virtio16_to_cpu(true, config.max_virtqueue_pairs);
 	if (nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, max_vqp))
 		return -EMSGSIZE;