2 files changed, 14 insertions, 0 deletions
diff --git a/sys/dev/ic/nvme.c b/sys/dev/ic/nvme.c
index 142003c..729abe8 100644
--- a/sys/dev/ic/nvme.c
+++ b/sys/dev/ic/nvme.c
@@ -346,6 +346,12 @@ nvme_dev_write(struct device *dev, struct sio_txn *sio)
     return nvme_dev_rw(dev, sio, true);
 }
 
+static int
+nvme_dev_open(struct device *dev)
+{
+    return 0;
+}
+
 /*
  * Get identify data for namespace
  *
@@ -409,6 +415,7 @@ nvme_init_ns(struct nvme_state *state, uint16_t nsid)
     dev = device_alloc();
     dev->read = nvme_dev_read;
     dev->write = nvme_dev_write;
+    dev->open = nvme_dev_open;
     dev->blocksize = ns->lba_bsize;
     dev->mmap = NULL;
     ns->dev_id = device_create(dev, state->major, nsid);
diff --git a/sys/dev/video/fbdev.c b/sys/dev/video/fbdev.c
index af020a1..d9b680f 100644
--- a/sys/dev/video/fbdev.c
+++ b/sys/dev/video/fbdev.c
@@ -83,6 +83,12 @@ fbdev_mmap(struct device *dev, off_t off, vm_prot_t prot)
     return base + off;
 }
 
+static int
+fbdev_open(struct device *dev)
+{
+    return 0;
+}
+
 struct fbdev
 fbdev_get_front(void)
 {
@@ -104,6 +110,7 @@ fbdev_init(void)
     dev->write = NULL;
     dev->mmap = fbdev_mmap;
     dev->ioctl = fbdev_ioctl;
+    dev->open = fbdev_open;
 
     device_create(dev, device_alloc_major(), 1);
     devfs_add_dev("fb", dev);