diff options
| -rw-r--r-- | drivers/vhost/vringh.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index 93735fc5c5b4..bbce65452701 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -1290,11 +1290,10 @@ static inline int getu16_iotlb(const struct vringh *vrh, if (ret) return ret; } else { - void *kaddr = kmap_local_page(ivec.iov.bvec[0].bv_page); - void *from = kaddr + ivec.iov.bvec[0].bv_offset; + __virtio16 *from = bvec_kmap_local(&ivec.iov.bvec[0]); - tmp = READ_ONCE(*(__virtio16 *)from); - kunmap_local(kaddr); + tmp = READ_ONCE(*from); + kunmap_local(from); } *val = vringh16_to_cpu(vrh, tmp); @@ -1329,11 +1328,10 @@ static inline int putu16_iotlb(const struct vringh *vrh, if (ret) return ret; } else { - void *kaddr = kmap_local_page(ivec.iov.bvec[0].bv_page); - void *to = kaddr + ivec.iov.bvec[0].bv_offset; + __virtio16 *to = bvec_kmap_local(&ivec.iov.bvec[0]); - WRITE_ONCE(*(__virtio16 *)to, tmp); - kunmap_local(kaddr); + WRITE_ONCE(*to, tmp); + kunmap_local(to); } return 0; |