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-rw-r--r--kernel/virtio_disk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/virtio_disk.c b/kernel/virtio_disk.c
index 1a29ce7..6620037 100644
--- a/kernel/virtio_disk.c
+++ b/kernel/virtio_disk.c
@@ -199,7 +199,7 @@ virtio_disk_rw(struct buf *b)
buf0.reserved = 0;
buf0.sector = sector;
- desc[idx[0]].addr = (uint64) &buf0;
+ desc[idx[0]].addr = (uint64) kernelpa((uint64) &buf0);
desc[idx[0]].len = sizeof(buf0);
desc[idx[0]].flags = VRING_DESC_F_NEXT;
desc[idx[0]].next = idx[1];