tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: fb74b7c6ee60eaba8d843255f6a09f6d1d6b8c33 commit: 661b972e802c8e252911361538651db906c084bb [13879/30000] vdpa: Introduce query of device config layout config: x86_64-randconfig-123-20240910 (https://download.01.org/0day-ci/archive/20240911/202409111741.8Hd9TwMf-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240911/202409111741.8Hd9TwMf-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202409111741.8Hd9TwMf-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)

...

drivers/vdpa/vdpa.c:759:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:759:19: sparse: sparse: cast from restricted __virtio16

drivers/vdpa/vdpa.c:775:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:775:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:779:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:779:19: sparse: sparse: cast from restricted __virtio16

vim +759 drivers/vdpa/vdpa.c

749 750 static int vdpa_dev_net_mq_config_fill(struct vdpa_device *vdev, 751 struct sk_buff *msg, u64 features, 752 const struct virtio_net_config *config) 753 { 754 u16 val_u16; 755 756 if ((features & (1ULL << VIRTIO_NET_F_MQ)) == 0) 757 return 0; 758

759 val_u16 = le16_to_cpu(config->max_virtqueue_pairs);

760 return nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, val_u16); 761 } 762