vdpa_get_config() and vdpa_set_config() now check parameters before calling callbacks, so we can remove these warnings. Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> --- Maybe we can skip this patch and leave the WARN_ONs in place. What do you recommend? --- drivers/vdpa/ifcvf/ifcvf_base.c | 3 +-- drivers/vdpa/ifcvf/ifcvf_main.c | 2 -- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index f2a128e56de5..5941ecf934d0 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -222,7 +222,6 @@ void ifcvf_read_net_config(struct ifcvf_hw *hw, u64 offset, u8 old_gen, new_gen, *p; int i; - WARN_ON(offset + length > sizeof(struct virtio_net_config)); do { old_gen = ifc_ioread8(&hw->common_cfg->config_generation); p = dst; @@ -240,7 +239,7 @@ void ifcvf_write_net_config(struct ifcvf_hw *hw, u64 offset, int i; p = src; - WARN_ON(offset + length > sizeof(struct virtio_net_config)); + for (i = 0; i < length; i++) ifc_iowrite8(*p++, hw->net_cfg + offset + i); } diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 2443271e17d2..e55f88c57461 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -343,7 +343,6 @@ static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev, { struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); - WARN_ON(offset + len > sizeof(struct virtio_net_config)); ifcvf_read_net_config(vf, offset, buf, len); } @@ -353,7 +352,6 @@ static void ifcvf_vdpa_set_config(struct vdpa_device *vdpa_dev, { struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); - WARN_ON(offset + len > sizeof(struct virtio_net_config)); ifcvf_write_net_config(vf, offset, buf, len); } -- 2.29.2