diff options
| -rw-r--r-- | pci-arbiter/netfs_impl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pci-arbiter/netfs_impl.c b/pci-arbiter/netfs_impl.c index b66f0019..4bb5c97a 100644 --- a/pci-arbiter/netfs_impl.c +++ b/pci-arbiter/netfs_impl.c @@ -583,6 +583,9 @@ get_filemap_region (struct node *node, vm_prot_t prot) strtol (&node->nn->ln->name[strlen (node->nn->ln->name) - 1], 0, 16); region = &node->nn->ln->device->regions[reg_num]; + if (region->is_IO) + goto error; + /* Ensure the region is mapped */ err = device_map_region (node->nn->ln->device, region, &node->nn->ln->region_maps[reg_num]); |