diff options
| -rw-r--r-- | src/commonlib/region.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/commonlib/region.c b/src/commonlib/region.c index 838107f312..ac0faf111f 100644 --- a/src/commonlib/region.c +++ b/src/commonlib/region.c @@ -74,6 +74,9 @@ void *rdev_mmap(const struct region_device *rd, size_t offset, size_t size) rdev = rdev_root(rd); + if (rdev->ops->mmap == NULL) + return NULL; + return rdev->ops->mmap(rdev, req.offset, req.size); } @@ -83,6 +86,9 @@ int rdev_munmap(const struct region_device *rd, void *mapping) rdev = rdev_root(rd); + if (rdev->ops->munmap == NULL) + return -1; + return rdev->ops->munmap(rdev, mapping); } |